28389873036

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{81973}}^1$

素因数の和:82044

約数の個数: 144

約数和(自身を含む): 83731522560

約数和(自身を除く): 55341649524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 651, 798, 868, 931, 1178, 1302, 1519, 1596, 1767, 1862, 2356, 2604, 2793, 3038, 3534, 3724, 4123, 4557, 5586, 6076, 7068, 8246, 9114, 11172, 12369, 16492, 18228, 24738, 28861, 49476, 57722, 81973, 86583, 115444, 163946, 173166, 245919, 327892, 346332, 491838, 573811, 983676, 1147622, 1557487, 1721433, 2295244, 2541163, 3114974, 3442866, 4016677, 4672461, 5082326, 6229948, 6885732, 7623489, 8033354, 9344922, 10164652, 10902409, 12050031, 15246978, 16066708, 17788141, 18689844, 21804818, 24100062, 30493956, 32707227, 35576282, 43609636, 48200124, 48282097, 53364423, 65414454, 71152564, 76316863, 96564194, 106728846, 124516987, 130828908, 144846291, 152633726, 193128388, 213457692, 228950589, 249033974, 289692582, 305267452, 337974679, 373550961, 457901178, 498067948, 579385164, 675949358, 747101922, 915802356, 1013924037, 1351898716, 1494203844, 2027848074, 2365822753, 4055696148, 4731645506, 7097468259, 9463291012, 14194936518, 28389873036]

約数ペア:

[(1, 28389873036), (2, 14194936518), (3, 9463291012), (4, 7097468259), (6, 4731645506), (7, 4055696148), (12, 2365822753), (14, 2027848074), (19, 1494203844), (21, 1351898716), (28, 1013924037), (31, 915802356), (38, 747101922), (42, 675949358), (49, 579385164), (57, 498067948), (62, 457901178), (76, 373550961), (84, 337974679), (93, 305267452), (98, 289692582), (114, 249033974), (124, 228950589), (133, 213457692), (147, 193128388), (186, 152633726), (196, 144846291), (217, 130828908), (228, 124516987), (266, 106728846), (294, 96564194), (372, 76316863), (399, 71152564), (434, 65414454), (532, 53364423), (588, 48282097), (589, 48200124), (651, 43609636), (798, 35576282), (868, 32707227), (931, 30493956), (1178, 24100062), (1302, 21804818), (1519, 18689844), (1596, 17788141), (1767, 16066708), (1862, 15246978), (2356, 12050031), (2604, 10902409), (2793, 10164652), (3038, 9344922), (3534, 8033354), (3724, 7623489), (4123, 6885732), (4557, 6229948), (5586, 5082326), (6076, 4672461), (7068, 4016677), (8246, 3442866), (9114, 3114974), (11172, 2541163), (12369, 2295244), (16492, 1721433), (18228, 1557487), (24738, 1147622), (28861, 983676), (49476, 573811), (57722, 491838), (81973, 346332), (86583, 327892), (115444, 245919), (163946, 173166)]