31716410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 65691648

約数和(自身を除く): 33975238

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 71, 110, 131, 142, 155, 262, 310, 341, 355, 655, 682, 710, 781, 1310, 1441, 1562, 1705, 2201, 2882, 3410, 3905, 4061, 4402, 7205, 7810, 8122, 9301, 11005, 14410, 18602, 20305, 22010, 24211, 40610, 44671, 46505, 48422, 89342, 93010, 102311, 121055, 204622, 223355, 242110, 288331, 446710, 511555, 576662, 1023110, 1441655, 2883310, 3171641, 6343282, 15858205, 31716410]

約数ペア:

[(1, 31716410), (2, 15858205), (5, 6343282), (10, 3171641), (11, 2883310), (22, 1441655), (31, 1023110), (55, 576662), (62, 511555), (71, 446710), (110, 288331), (131, 242110), (142, 223355), (155, 204622), (262, 121055), (310, 102311), (341, 93010), (355, 89342), (655, 48422), (682, 46505), (710, 44671), (781, 40610), (1310, 24211), (1441, 22010), (1562, 20305), (1705, 18602), (2201, 14410), (2882, 11005), (3410, 9301), (3905, 8122), (4061, 7810), (4402, 7205)]