87642665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 118063872

約数和(自身を除く): 30421207

約数列:

[1, 5, 11, 55, 61, 151, 173, 305, 671, 755, 865, 1661, 1903, 3355, 8305, 9211, 9515, 10553, 26123, 46055, 52765, 101321, 116083, 130615, 287353, 506605, 580415, 1436765, 1593503, 7967515, 17528533, 87642665]

約数ペア:

[(1, 87642665), (5, 17528533), (11, 7967515), (55, 1593503), (61, 1436765), (151, 580415), (173, 506605), (305, 287353), (671, 130615), (755, 116083), (865, 101321), (1661, 52765), (1903, 46055), (3355, 26123), (8305, 10553), (9211, 9515)]