38942648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 81259200

約数和(自身を除く): 42316552

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 71, 74, 109, 136, 142, 148, 218, 284, 296, 436, 568, 629, 872, 1207, 1258, 1853, 2414, 2516, 2627, 3706, 4033, 4828, 5032, 5254, 7412, 7739, 8066, 9656, 10508, 14824, 15478, 16132, 21016, 30956, 32264, 44659, 61912, 68561, 89318, 131563, 137122, 178636, 263126, 274244, 286343, 357272, 526252, 548488, 572686, 1052504, 1145372, 2290744, 4867831, 9735662, 19471324, 38942648]

約数ペア:

[(1, 38942648), (2, 19471324), (4, 9735662), (8, 4867831), (17, 2290744), (34, 1145372), (37, 1052504), (68, 572686), (71, 548488), (74, 526252), (109, 357272), (136, 286343), (142, 274244), (148, 263126), (218, 178636), (284, 137122), (296, 131563), (436, 89318), (568, 68561), (629, 61912), (872, 44659), (1207, 32264), (1258, 30956), (1853, 21016), (2414, 16132), (2516, 15478), (2627, 14824), (3706, 10508), (4033, 9656), (4828, 8066), (5032, 7739), (5254, 7412)]