664088684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1543}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 1400716800

約数和(自身を除く): 736628116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 809, 1543, 1618, 3086, 3236, 5663, 6172, 10801, 11326, 15371, 21602, 22652, 29317, 30742, 43204, 58634, 61484, 107597, 117268, 205219, 215194, 410438, 430388, 820876, 1248287, 2496574, 4993148, 8738009, 17476018, 23717453, 34952036, 47434906, 94869812, 166022171, 332044342, 664088684]

約数ペア:

[(1, 664088684), (2, 332044342), (4, 166022171), (7, 94869812), (14, 47434906), (19, 34952036), (28, 23717453), (38, 17476018), (76, 8738009), (133, 4993148), (266, 2496574), (532, 1248287), (809, 820876), (1543, 430388), (1618, 410438), (3086, 215194), (3236, 205219), (5663, 117268), (6172, 107597), (10801, 61484), (11326, 58634), (15371, 43204), (21602, 30742), (22652, 29317)]