281453228

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{2539}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 583752960

約数和(自身を除く): 302299732

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 107, 148, 214, 259, 428, 518, 749, 1036, 1498, 2539, 2996, 3959, 5078, 7918, 10156, 15836, 17773, 27713, 35546, 55426, 71092, 93943, 110852, 187886, 271673, 375772, 543346, 657601, 1086692, 1315202, 1901711, 2630404, 3803422, 7606844, 10051901, 20103802, 40207604, 70363307, 140726614, 281453228]

約数ペア:

[(1, 281453228), (2, 140726614), (4, 70363307), (7, 40207604), (14, 20103802), (28, 10051901), (37, 7606844), (74, 3803422), (107, 2630404), (148, 1901711), (214, 1315202), (259, 1086692), (428, 657601), (518, 543346), (749, 375772), (1036, 271673), (1498, 187886), (2539, 110852), (2996, 93943), (3959, 71092), (5078, 55426), (7918, 35546), (10156, 27713), (15836, 17773)]