31900428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 92691872

約数和(自身を除く): 60791444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 277, 457, 554, 831, 914, 1108, 1371, 1662, 1828, 1939, 2493, 2742, 3199, 3324, 3878, 4113, 4986, 5484, 5817, 6398, 7756, 8226, 9597, 9972, 11634, 12796, 16452, 17451, 19194, 23268, 28791, 34902, 38388, 57582, 69804, 115164, 126589, 253178, 379767, 506356, 759534, 886123, 1139301, 1519068, 1772246, 2278602, 2658369, 3544492, 4557204, 5316738, 7975107, 10633476, 15950214, 31900428]

約数ペア:

[(1, 31900428), (2, 15950214), (3, 10633476), (4, 7975107), (6, 5316738), (7, 4557204), (9, 3544492), (12, 2658369), (14, 2278602), (18, 1772246), (21, 1519068), (28, 1139301), (36, 886123), (42, 759534), (63, 506356), (84, 379767), (126, 253178), (252, 126589), (277, 115164), (457, 69804), (554, 57582), (831, 38388), (914, 34902), (1108, 28791), (1371, 23268), (1662, 19194), (1828, 17451), (1939, 16452), (2493, 12796), (2742, 11634), (3199, 9972), (3324, 9597), (3878, 8226), (4113, 7756), (4986, 6398), (5484, 5817)]