221475430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{27581}}^1$

素因数の和:27672

約数の個数: 32

約数和(自身を含む): 440870688

約数和(自身を除く): 219395258

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 27581, 55162, 137905, 275810, 303391, 606782, 1516955, 2013413, 3033910, 4026826, 10067065, 20134130, 22147543, 44295086, 110737715, 221475430]

約数ペア:

[(1, 221475430), (2, 110737715), (5, 44295086), (10, 22147543), (11, 20134130), (22, 10067065), (55, 4026826), (73, 3033910), (110, 2013413), (146, 1516955), (365, 606782), (730, 303391), (803, 275810), (1606, 137905), (4015, 55162), (8030, 27581)]