64457350

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 123849216

約数和(自身を除く): 59391866

約数列:

[1, 2, 5, 10, 25, 50, 67, 71, 134, 142, 271, 335, 355, 542, 670, 710, 1355, 1675, 1775, 2710, 3350, 3550, 4757, 6775, 9514, 13550, 18157, 19241, 23785, 36314, 38482, 47570, 90785, 96205, 118925, 181570, 192410, 237850, 453925, 481025, 907850, 962050, 1289147, 2578294, 6445735, 12891470, 32228675, 64457350]

約数ペア:

[(1, 64457350), (2, 32228675), (5, 12891470), (10, 6445735), (25, 2578294), (50, 1289147), (67, 962050), (71, 907850), (134, 481025), (142, 453925), (271, 237850), (335, 192410), (355, 181570), (542, 118925), (670, 96205), (710, 90785), (1355, 47570), (1675, 38482), (1775, 36314), (2710, 23785), (3350, 19241), (3550, 18157), (4757, 13550), (6775, 9514)]