31500128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 68357520

約数和(自身を除く): 36857392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 109, 176, 218, 352, 436, 821, 872, 1199, 1642, 1744, 2398, 3284, 3488, 4796, 6568, 9031, 9592, 13136, 18062, 19184, 26272, 36124, 38368, 72248, 89489, 144496, 178978, 288992, 357956, 715912, 984379, 1431824, 1968758, 2863648, 3937516, 7875032, 15750064, 31500128]

約数ペア:

[(1, 31500128), (2, 15750064), (4, 7875032), (8, 3937516), (11, 2863648), (16, 1968758), (22, 1431824), (32, 984379), (44, 715912), (88, 357956), (109, 288992), (176, 178978), (218, 144496), (352, 89489), (436, 72248), (821, 38368), (872, 36124), (1199, 26272), (1642, 19184), (1744, 18062), (2398, 13136), (3284, 9592), (3488, 9031), (4796, 6568)]