164657605

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 231199488

約数和(自身を除く): 66541883

約数列:

[1, 5, 7, 35, 61, 233, 305, 331, 427, 1165, 1631, 1655, 2135, 2317, 8155, 11585, 14213, 20191, 71065, 77123, 99491, 100955, 141337, 385615, 497455, 539861, 706685, 2699305, 4704503, 23522515, 32931521, 164657605]

約数ペア:

[(1, 164657605), (5, 32931521), (7, 23522515), (35, 4704503), (61, 2699305), (233, 706685), (305, 539861), (331, 497455), (427, 385615), (1165, 141337), (1631, 100955), (1655, 99491), (2135, 77123), (2317, 71065), (8155, 20191), (11585, 14213)]