861001492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{871459}}^1$

素因数の和:871495

約数の個数: 24

約数和(自身を含む): 1708061600

約数和(自身を除く): 847060108

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 871459, 1742918, 3485836, 11328967, 16557721, 22657934, 33115442, 45315868, 66230884, 215250373, 430500746, 861001492]

約数ペア:

[(1, 861001492), (2, 430500746), (4, 215250373), (13, 66230884), (19, 45315868), (26, 33115442), (38, 22657934), (52, 16557721), (76, 11328967), (247, 3485836), (494, 1742918), (988, 871459)]