64998825

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 112522560

約数和(自身を除く): 47523735

約数列:

[1, 3, 5, 15, 25, 37, 59, 75, 111, 177, 185, 295, 397, 555, 885, 925, 1191, 1475, 1985, 2183, 2775, 4425, 5955, 6549, 9925, 10915, 14689, 23423, 29775, 32745, 44067, 54575, 70269, 73445, 117115, 163725, 220335, 351345, 367225, 585575, 866651, 1101675, 1756725, 2599953, 4333255, 12999765, 21666275, 64998825]

約数ペア:

[(1, 64998825), (3, 21666275), (5, 12999765), (15, 4333255), (25, 2599953), (37, 1756725), (59, 1101675), (75, 866651), (111, 585575), (177, 367225), (185, 351345), (295, 220335), (397, 163725), (555, 117115), (885, 73445), (925, 70269), (1191, 54575), (1475, 44067), (1985, 32745), (2183, 29775), (2775, 23423), (4425, 14689), (5955, 10915), (6549, 9925)]