1640887911

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 2590806400

約数和(自身を除く): 949918489

約数列:

[1, 3, 9, 13, 39, 117, 139, 163, 417, 489, 619, 1251, 1467, 1807, 1857, 2119, 5421, 5571, 6357, 8047, 16263, 19071, 22657, 24141, 67971, 72423, 86041, 100897, 203913, 258123, 294541, 302691, 774369, 883623, 908073, 1118533, 1311661, 2650869, 3355599, 3934983, 10066797, 11804949, 14024683, 42074049, 126222147, 182320879, 546962637, 1640887911]

約数ペア:

[(1, 1640887911), (3, 546962637), (9, 182320879), (13, 126222147), (39, 42074049), (117, 14024683), (139, 11804949), (163, 10066797), (417, 3934983), (489, 3355599), (619, 2650869), (1251, 1311661), (1467, 1118533), (1807, 908073), (1857, 883623), (2119, 774369), (5421, 302691), (5571, 294541), (6357, 258123), (8047, 203913), (16263, 100897), (19071, 86041), (22657, 72423), (24141, 67971)]