31124756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 62805456

約数和(自身を除く): 31680700

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 137, 221, 257, 274, 442, 514, 548, 884, 1028, 1781, 2329, 3341, 3562, 4369, 4658, 6682, 7124, 8738, 9316, 13364, 17476, 30277, 35209, 56797, 60554, 70418, 113594, 121108, 140836, 227188, 457717, 598553, 915434, 1197106, 1830868, 2394212, 7781189, 15562378, 31124756]

約数ペア:

[(1, 31124756), (2, 15562378), (4, 7781189), (13, 2394212), (17, 1830868), (26, 1197106), (34, 915434), (52, 598553), (68, 457717), (137, 227188), (221, 140836), (257, 121108), (274, 113594), (442, 70418), (514, 60554), (548, 56797), (884, 35209), (1028, 30277), (1781, 17476), (2329, 13364), (3341, 9316), (3562, 8738), (4369, 7124), (4658, 6682)]