12639240628

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{9491}}^1$

素因数の和:9940

約数の個数: 48

約数和(自身を含む): 25514496000

約数和(自身を除く): 12875255372

約数列:

[1, 2, 4, 7, 14, 28, 199, 239, 398, 478, 796, 956, 1393, 1673, 2786, 3346, 5572, 6692, 9491, 18982, 37964, 47561, 66437, 95122, 132874, 190244, 265748, 332927, 665854, 1331708, 1888709, 2268349, 3777418, 4536698, 7554836, 9073396, 13220963, 15878443, 26441926, 31756886, 52883852, 63513772, 451401451, 902802902, 1805605804, 3159810157, 6319620314, 12639240628]

約数ペア:

[(1, 12639240628), (2, 6319620314), (4, 3159810157), (7, 1805605804), (14, 902802902), (28, 451401451), (199, 63513772), (239, 52883852), (398, 31756886), (478, 26441926), (796, 15878443), (956, 13220963), (1393, 9073396), (1673, 7554836), (2786, 4536698), (3346, 3777418), (5572, 2268349), (6692, 1888709), (9491, 1331708), (18982, 665854), (37964, 332927), (47561, 265748), (66437, 190244), (95122, 132874)]