211330255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 279613440

約数和(自身を除く): 68283185

約数列:

[1, 5, 19, 31, 73, 95, 155, 365, 589, 983, 1387, 2263, 2945, 4915, 6935, 11315, 18677, 30473, 42997, 71759, 93385, 152365, 214985, 358795, 578987, 1363421, 2224529, 2894935, 6817105, 11122645, 42266051, 211330255]

約数ペア:

[(1, 211330255), (5, 42266051), (19, 11122645), (31, 6817105), (73, 2894935), (95, 2224529), (155, 1363421), (365, 578987), (589, 358795), (983, 214985), (1387, 152365), (2263, 93385), (2945, 71759), (4915, 42997), (6935, 30473), (11315, 18677)]