81402776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3607}}^1$

素因数の和:3664

約数の個数: 64

約数和(自身を含む): 193966080

約数和(自身を除く): 112563304

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 3607, 5642, 7214, 11284, 14428, 22568, 25249, 28856, 46891, 50498, 93782, 100996, 111817, 187564, 201992, 223634, 328237, 375128, 447268, 656474, 782719, 894536, 1312948, 1453621, 1565438, 2625896, 2907242, 3130876, 5814484, 6261752, 10175347, 11628968, 20350694, 40701388, 81402776]

約数ペア:

[(1, 81402776), (2, 40701388), (4, 20350694), (7, 11628968), (8, 10175347), (13, 6261752), (14, 5814484), (26, 3130876), (28, 2907242), (31, 2625896), (52, 1565438), (56, 1453621), (62, 1312948), (91, 894536), (104, 782719), (124, 656474), (182, 447268), (217, 375128), (248, 328237), (364, 223634), (403, 201992), (434, 187564), (728, 111817), (806, 100996), (868, 93782), (1612, 50498), (1736, 46891), (2821, 28856), (3224, 25249), (3607, 22568), (5642, 14428), (7214, 11284)]