129898516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{155381}}^1$

素因数の和:155415

約数の個数: 24

約数和(自身を含む): 261041760

約数和(自身を除く): 131143244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 155381, 310762, 621524, 1709191, 2952239, 3418382, 5904478, 6836764, 11808956, 32474629, 64949258, 129898516]

約数ペア:

[(1, 129898516), (2, 64949258), (4, 32474629), (11, 11808956), (19, 6836764), (22, 5904478), (38, 3418382), (44, 2952239), (76, 1709191), (209, 621524), (418, 310762), (836, 155381)]