72921218

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{2003}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 111101760

約数和(自身を除く): 38180542

約数列:

[1, 2, 109, 167, 218, 334, 2003, 4006, 18203, 36406, 218327, 334501, 436654, 669002, 36460609, 72921218]

約数ペア:

[(1, 72921218), (2, 36460609), (109, 669002), (167, 436654), (218, 334501), (334, 218327), (2003, 36406), (4006, 18203)]