8220654

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 20671560

約数和(自身を除く): 12450906

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 43, 57, 78, 86, 114, 117, 129, 171, 234, 247, 258, 342, 387, 494, 559, 741, 774, 817, 1118, 1482, 1634, 1677, 1849, 2223, 2451, 3354, 3698, 4446, 4902, 5031, 5547, 7353, 10062, 10621, 11094, 14706, 16641, 21242, 24037, 31863, 33282, 35131, 48074, 63726, 70262, 72111, 95589, 105393, 144222, 191178, 210786, 216333, 316179, 432666, 456703, 632358, 913406, 1370109, 2740218, 4110327, 8220654]

約数ペア:

[(1, 8220654), (2, 4110327), (3, 2740218), (6, 1370109), (9, 913406), (13, 632358), (18, 456703), (19, 432666), (26, 316179), (38, 216333), (39, 210786), (43, 191178), (57, 144222), (78, 105393), (86, 95589), (114, 72111), (117, 70262), (129, 63726), (171, 48074), (234, 35131), (247, 33282), (258, 31863), (342, 24037), (387, 21242), (494, 16641), (559, 14706), (741, 11094), (774, 10621), (817, 10062), (1118, 7353), (1482, 5547), (1634, 5031), (1677, 4902), (1849, 4446), (2223, 3698), (2451, 3354)]