42894865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 57657600

約数和(自身を除く): 14762735

約数列:

[1, 5, 13, 43, 65, 103, 149, 215, 515, 559, 745, 1339, 1937, 2795, 4429, 6407, 6695, 9685, 15347, 22145, 32035, 57577, 76735, 83291, 199511, 287885, 416455, 659921, 997555, 3299605, 8578973, 42894865]

約数ペア:

[(1, 42894865), (5, 8578973), (13, 3299605), (43, 997555), (65, 659921), (103, 416455), (149, 287885), (215, 199511), (515, 83291), (559, 76735), (745, 57577), (1339, 32035), (1937, 22145), (2795, 15347), (4429, 9685), (6407, 6695)]