7881646890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{492911}}^1$

素因数の和:492975

約数の個数: 64

約数和(自身を含む): 20867922432

約数和(自身を除く): 12986275542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 2665, 3198, 5330, 7995, 15990, 492911, 985822, 1478733, 2464555, 2957466, 4929110, 6407843, 7393665, 12815686, 14787330, 19223529, 20209351, 32039215, 38447058, 40418702, 60628053, 64078430, 96117645, 101046755, 121256106, 192235290, 202093510, 262721563, 303140265, 525443126, 606280530, 788164689, 1313607815, 1576329378, 2627215630, 3940823445, 7881646890]

約数ペア:

[(1, 7881646890), (2, 3940823445), (3, 2627215630), (5, 1576329378), (6, 1313607815), (10, 788164689), (13, 606280530), (15, 525443126), (26, 303140265), (30, 262721563), (39, 202093510), (41, 192235290), (65, 121256106), (78, 101046755), (82, 96117645), (123, 64078430), (130, 60628053), (195, 40418702), (205, 38447058), (246, 32039215), (390, 20209351), (410, 19223529), (533, 14787330), (615, 12815686), (1066, 7393665), (1230, 6407843), (1599, 4929110), (2665, 2957466), (3198, 2464555), (5330, 1478733), (7995, 985822), (15990, 492911)]