131259828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 388147200

約数和(自身を除く): 256887372

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, 379, 399, 434, 532, 588, 589, 651, 758, 798, 868, 931, 1137, 1178, 1302, 1516, 1519, 1596, 1767, 1862, 2274, 2356, 2604, 2653, 2793, 3038, 3534, 3724, 4123, 4548, 4557, 5306, 5586, 6076, 7068, 7201, 7959, 8246, 9114, 10612, 11172, 11749, 12369, 14402, 15918, 16492, 18228, 18571, 21603, 23498, 24738, 28804, 28861, 31836, 35247, 37142, 43206, 46996, 49476, 50407, 55713, 57722, 70494, 74284, 82243, 86412, 86583, 100814, 111426, 115444, 140988, 151221, 164486, 173166, 201628, 222852, 223231, 246729, 302442, 328972, 346332, 352849, 446462, 493458, 575701, 604884, 669693, 705698, 892924, 986916, 1058547, 1151402, 1339386, 1411396, 1562617, 1727103, 2117094, 2302804, 2678772, 3125234, 3454206, 4234188, 4687851, 6250468, 6908412, 9375702, 10938319, 18751404, 21876638, 32814957, 43753276, 65629914, 131259828]

約数ペア:

[(1, 131259828), (2, 65629914), (3, 43753276), (4, 32814957), (6, 21876638), (7, 18751404), (12, 10938319), (14, 9375702), (19, 6908412), (21, 6250468), (28, 4687851), (31, 4234188), (38, 3454206), (42, 3125234), (49, 2678772), (57, 2302804), (62, 2117094), (76, 1727103), (84, 1562617), (93, 1411396), (98, 1339386), (114, 1151402), (124, 1058547), (133, 986916), (147, 892924), (186, 705698), (196, 669693), (217, 604884), (228, 575701), (266, 493458), (294, 446462), (372, 352849), (379, 346332), (399, 328972), (434, 302442), (532, 246729), (588, 223231), (589, 222852), (651, 201628), (758, 173166), (798, 164486), (868, 151221), (931, 140988), (1137, 115444), (1178, 111426), (1302, 100814), (1516, 86583), (1519, 86412), (1596, 82243), (1767, 74284), (1862, 70494), (2274, 57722), (2356, 55713), (2604, 50407), (2653, 49476), (2793, 46996), (3038, 43206), (3534, 37142), (3724, 35247), (4123, 31836), (4548, 28861), (4557, 28804), (5306, 24738), (5586, 23498), (6076, 21603), (7068, 18571), (7201, 18228), (7959, 16492), (8246, 15918), (9114, 14402), (10612, 12369), (11172, 11749)]