238805215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 323066880

約数和(自身を除く): 84261665

約数列:

[1, 5, 11, 37, 55, 185, 239, 407, 491, 1195, 2035, 2455, 2629, 5401, 8843, 13145, 18167, 27005, 44215, 90835, 97273, 117349, 199837, 486365, 586745, 999185, 1290839, 4341913, 6454195, 21709565, 47761043, 238805215]

約数ペア:

[(1, 238805215), (5, 47761043), (11, 21709565), (37, 6454195), (55, 4341913), (185, 1290839), (239, 999185), (407, 586745), (491, 486365), (1195, 199837), (2035, 117349), (2455, 97273), (2629, 90835), (5401, 44215), (8843, 27005), (13145, 18167)]