128406636

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{827}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 343586880

約数和(自身を除く): 215180244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 227, 228, 342, 454, 681, 684, 827, 908, 1362, 1654, 2043, 2481, 2724, 3308, 4086, 4313, 4962, 7443, 8172, 8626, 9924, 12939, 14886, 15713, 17252, 25878, 29772, 31426, 38817, 47139, 51756, 62852, 77634, 94278, 141417, 155268, 187729, 188556, 282834, 375458, 563187, 565668, 750916, 1126374, 1689561, 2252748, 3379122, 3566851, 6758244, 7133702, 10700553, 14267404, 21401106, 32101659, 42802212, 64203318, 128406636]

約数ペア:

[(1, 128406636), (2, 64203318), (3, 42802212), (4, 32101659), (6, 21401106), (9, 14267404), (12, 10700553), (18, 7133702), (19, 6758244), (36, 3566851), (38, 3379122), (57, 2252748), (76, 1689561), (114, 1126374), (171, 750916), (227, 565668), (228, 563187), (342, 375458), (454, 282834), (681, 188556), (684, 187729), (827, 155268), (908, 141417), (1362, 94278), (1654, 77634), (2043, 62852), (2481, 51756), (2724, 47139), (3308, 38817), (4086, 31426), (4313, 29772), (4962, 25878), (7443, 17252), (8172, 15713), (8626, 14886), (9924, 12939)]