80646748

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 182684544

約数和(自身を除く): 102037796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1021, 1274, 1519, 1612, 2042, 2548, 2821, 3038, 4084, 5642, 6076, 7147, 11284, 13273, 14294, 19747, 26546, 28588, 31651, 39494, 50029, 53092, 63302, 78988, 92911, 100058, 126604, 185822, 200116, 221557, 371644, 411463, 443114, 650377, 822926, 886228, 1300754, 1550899, 1645852, 2601508, 2880241, 3101798, 5760482, 6203596, 11520964, 20161687, 40323374, 80646748]

約数ペア:

[(1, 80646748), (2, 40323374), (4, 20161687), (7, 11520964), (13, 6203596), (14, 5760482), (26, 3101798), (28, 2880241), (31, 2601508), (49, 1645852), (52, 1550899), (62, 1300754), (91, 886228), (98, 822926), (124, 650377), (182, 443114), (196, 411463), (217, 371644), (364, 221557), (403, 200116), (434, 185822), (637, 126604), (806, 100058), (868, 92911), (1021, 78988), (1274, 63302), (1519, 53092), (1612, 50029), (2042, 39494), (2548, 31651), (2821, 28588), (3038, 26546), (4084, 19747), (5642, 14294), (6076, 13273), (7147, 11284)]