31294748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 29991652

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 359, 589, 703, 718, 1147, 1178, 1406, 1436, 2294, 2356, 2812, 4588, 6821, 11129, 13283, 13642, 21793, 22258, 26566, 27284, 43586, 44516, 53132, 87172, 211451, 252377, 411773, 422902, 504754, 823546, 845804, 1009508, 1647092, 7823687, 15647374, 31294748]

約数ペア:

[(1, 31294748), (2, 15647374), (4, 7823687), (19, 1647092), (31, 1009508), (37, 845804), (38, 823546), (62, 504754), (74, 422902), (76, 411773), (124, 252377), (148, 211451), (359, 87172), (589, 53132), (703, 44516), (718, 43586), (1147, 27284), (1178, 26566), (1406, 22258), (1436, 21793), (2294, 13642), (2356, 13283), (2812, 11129), (4588, 6821)]