140229481

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 180576000

約数和(自身を除く): 40346519

約数列:

[1, 7, 17, 19, 109, 119, 133, 323, 569, 763, 1853, 2071, 2261, 3983, 9673, 10811, 12971, 14497, 35207, 62021, 67711, 75677, 183787, 246449, 434147, 1054357, 1178399, 1286509, 7380499, 8248793, 20032783, 140229481]

約数ペア:

[(1, 140229481), (7, 20032783), (17, 8248793), (19, 7380499), (109, 1286509), (119, 1178399), (133, 1054357), (323, 434147), (569, 246449), (763, 183787), (1853, 75677), (2071, 67711), (2261, 62021), (3983, 35207), (9673, 14497), (10811, 12971)]