261931774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2447}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 444165120

約数和(自身を除く): 182233346

約数列:

[1, 2, 13, 23, 26, 46, 179, 299, 358, 598, 2327, 2447, 4117, 4654, 4894, 8234, 31811, 53521, 56281, 63622, 107042, 112562, 438013, 731653, 876026, 1463306, 5694169, 10074299, 11388338, 20148598, 130965887, 261931774]

約数ペア:

[(1, 261931774), (2, 130965887), (13, 20148598), (23, 11388338), (26, 10074299), (46, 5694169), (179, 1463306), (299, 876026), (358, 731653), (598, 438013), (2327, 112562), (2447, 107042), (4117, 63622), (4654, 56281), (4894, 53521), (8234, 31811)]