31292170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 70108416

約数和(自身を除く): 38816246

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 182, 251, 274, 455, 502, 685, 910, 959, 1255, 1370, 1757, 1781, 1918, 2510, 3263, 3514, 3562, 4795, 6526, 8785, 8905, 9590, 12467, 16315, 17570, 17810, 22841, 24934, 32630, 34387, 45682, 62335, 68774, 114205, 124670, 171935, 228410, 240709, 343870, 447031, 481418, 894062, 1203545, 2235155, 2407090, 3129217, 4470310, 6258434, 15646085, 31292170]

約数ペア:

[(1, 31292170), (2, 15646085), (5, 6258434), (7, 4470310), (10, 3129217), (13, 2407090), (14, 2235155), (26, 1203545), (35, 894062), (65, 481418), (70, 447031), (91, 343870), (130, 240709), (137, 228410), (182, 171935), (251, 124670), (274, 114205), (455, 68774), (502, 62335), (685, 45682), (910, 34387), (959, 32630), (1255, 24934), (1370, 22841), (1757, 17810), (1781, 17570), (1918, 16315), (2510, 12467), (3263, 9590), (3514, 8905), (3562, 8785), (4795, 6526)]