172487968

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 360339840

約数和(自身を除く): 187851872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 71, 79, 124, 142, 158, 248, 284, 316, 496, 568, 632, 961, 992, 1136, 1264, 1922, 2201, 2272, 2449, 2528, 3844, 4402, 4898, 5609, 7688, 8804, 9796, 11218, 15376, 17608, 19592, 22436, 30752, 35216, 39184, 44872, 68231, 70432, 75919, 78368, 89744, 136462, 151838, 173879, 179488, 272924, 303676, 347758, 545848, 607352, 695516, 1091696, 1214704, 1391032, 2183392, 2429408, 2782064, 5390249, 5564128, 10780498, 21560996, 43121992, 86243984, 172487968]

約数ペア:

[(1, 172487968), (2, 86243984), (4, 43121992), (8, 21560996), (16, 10780498), (31, 5564128), (32, 5390249), (62, 2782064), (71, 2429408), (79, 2183392), (124, 1391032), (142, 1214704), (158, 1091696), (248, 695516), (284, 607352), (316, 545848), (496, 347758), (568, 303676), (632, 272924), (961, 179488), (992, 173879), (1136, 151838), (1264, 136462), (1922, 89744), (2201, 78368), (2272, 75919), (2449, 70432), (2528, 68231), (3844, 44872), (4402, 39184), (4898, 35216), (5609, 30752), (7688, 22436), (8804, 19592), (9796, 17608), (11218, 15376)]