389885728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{297169}}^1$

素因数の和:297220

約数の個数: 24

約数和(自身を含む): 786311820

約数和(自身を除く): 396426092

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 297169, 594338, 1188676, 2377352, 4754704, 9509408, 12183929, 24367858, 48735716, 97471432, 194942864, 389885728]

約数ペア:

[(1, 389885728), (2, 194942864), (4, 97471432), (8, 48735716), (16, 24367858), (32, 12183929), (41, 9509408), (82, 4754704), (164, 2377352), (328, 1188676), (656, 594338), (1312, 297169)]