890498845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 1166283360

約数和(自身を除く): 275784515

約数列:

[1, 5, 17, 53, 85, 89, 265, 445, 901, 1513, 2221, 4505, 4717, 7565, 11105, 23585, 37757, 80189, 117713, 188785, 197669, 400945, 588565, 988345, 2001121, 3360373, 10005605, 10476457, 16801865, 52382285, 178099769, 890498845]

約数ペア:

[(1, 890498845), (5, 178099769), (17, 52382285), (53, 16801865), (85, 10476457), (89, 10005605), (265, 3360373), (445, 2001121), (901, 988345), (1513, 588565), (2221, 400945), (4505, 197669), (4717, 188785), (7565, 117713), (11105, 80189), (23585, 37757)]