427397938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{178231}}^1$

素因数の和:178353

約数の個数: 16

約数和(自身を含む): 705798720

約数和(自身を除く): 278400782

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 178231, 356462, 1960541, 3921082, 19427179, 38854358, 213698969, 427397938]

約数ペア:

[(1, 427397938), (2, 213698969), (11, 38854358), (22, 19427179), (109, 3921082), (218, 1960541), (1199, 356462), (2398, 178231)]