15661519145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1\times {\mathrm{4639}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 20269301760

約数和(自身を除く): 4607782615

約数列:

[1, 5, 23, 31, 115, 155, 713, 947, 3565, 4639, 4735, 21781, 23195, 29357, 106697, 108905, 143809, 146785, 533485, 675211, 719045, 3307607, 3376055, 4393133, 16538035, 21965665, 101042059, 136187123, 505210295, 680935615, 3132303829, 15661519145]

約数ペア:

[(1, 15661519145), (5, 3132303829), (23, 680935615), (31, 505210295), (115, 136187123), (155, 101042059), (713, 21965665), (947, 16538035), (3565, 4393133), (4639, 3376055), (4735, 3307607), (21781, 719045), (23195, 675211), (29357, 533485), (106697, 146785), (108905, 143809)]