69780464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17657}}^1$

素因数の和:17697

約数の個数: 40

約数和(自身を含む): 153271440

約数和(自身を除く): 83490976

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 17657, 35314, 70628, 141256, 229541, 282512, 335483, 459082, 670966, 918164, 1341932, 1836328, 2683864, 3672656, 4361279, 5367728, 8722558, 17445116, 34890232, 69780464]

約数ペア:

[(1, 69780464), (2, 34890232), (4, 17445116), (8, 8722558), (13, 5367728), (16, 4361279), (19, 3672656), (26, 2683864), (38, 1836328), (52, 1341932), (76, 918164), (104, 670966), (152, 459082), (208, 335483), (247, 282512), (304, 229541), (494, 141256), (988, 70628), (1976, 35314), (3952, 17657)]