28661256

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 87696000

約数和(自身を除く): 59034744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 59, 72, 78, 104, 108, 117, 118, 156, 173, 177, 216, 234, 236, 312, 346, 351, 354, 468, 472, 519, 531, 692, 702, 708, 767, 936, 1038, 1062, 1384, 1404, 1416, 1534, 1557, 1593, 2076, 2124, 2249, 2301, 2808, 3068, 3114, 3186, 4152, 4248, 4498, 4602, 4671, 6136, 6228, 6372, 6747, 6903, 8996, 9204, 9342, 10207, 12456, 12744, 13494, 13806, 17992, 18408, 18684, 20241, 20414, 20709, 26988, 27612, 30621, 37368, 40482, 40828, 41418, 53976, 55224, 60723, 61242, 80964, 81656, 82836, 91863, 121446, 122484, 132691, 161928, 165672, 183726, 242892, 244968, 265382, 275589, 367452, 398073, 485784, 530764, 551178, 734904, 796146, 1061528, 1102356, 1194219, 1592292, 2204712, 2388438, 3184584, 3582657, 4776876, 7165314, 9553752, 14330628, 28661256]

約数ペア:

[(1, 28661256), (2, 14330628), (3, 9553752), (4, 7165314), (6, 4776876), (8, 3582657), (9, 3184584), (12, 2388438), (13, 2204712), (18, 1592292), (24, 1194219), (26, 1102356), (27, 1061528), (36, 796146), (39, 734904), (52, 551178), (54, 530764), (59, 485784), (72, 398073), (78, 367452), (104, 275589), (108, 265382), (117, 244968), (118, 242892), (156, 183726), (173, 165672), (177, 161928), (216, 132691), (234, 122484), (236, 121446), (312, 91863), (346, 82836), (351, 81656), (354, 80964), (468, 61242), (472, 60723), (519, 55224), (531, 53976), (692, 41418), (702, 40828), (708, 40482), (767, 37368), (936, 30621), (1038, 27612), (1062, 26988), (1384, 20709), (1404, 20414), (1416, 20241), (1534, 18684), (1557, 18408), (1593, 17992), (2076, 13806), (2124, 13494), (2249, 12744), (2301, 12456), (2808, 10207), (3068, 9342), (3114, 9204), (3186, 8996), (4152, 6903), (4248, 6747), (4498, 6372), (4602, 6228), (4671, 6136)]