688129506

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:829

約数の個数: 80

約数和(自身を含む): 1600777728

約数和(自身を除く): 912648222

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 263, 279, 521, 526, 558, 789, 837, 1042, 1563, 1578, 1674, 2367, 2511, 3126, 4689, 4734, 5022, 7101, 8153, 9378, 14067, 14202, 16151, 16306, 21303, 24459, 28134, 32302, 42201, 42606, 48453, 48918, 73377, 84402, 96906, 137023, 145359, 146754, 220131, 274046, 290718, 411069, 436077, 440262, 660393, 822138, 872154, 1233207, 1308231, 1320786, 2466414, 2616462, 3699621, 4247713, 7399242, 8495426, 11098863, 12743139, 22197726, 25486278, 38229417, 76458834, 114688251, 229376502, 344064753, 688129506]

約数ペア:

[(1, 688129506), (2, 344064753), (3, 229376502), (6, 114688251), (9, 76458834), (18, 38229417), (27, 25486278), (31, 22197726), (54, 12743139), (62, 11098863), (81, 8495426), (93, 7399242), (162, 4247713), (186, 3699621), (263, 2616462), (279, 2466414), (521, 1320786), (526, 1308231), (558, 1233207), (789, 872154), (837, 822138), (1042, 660393), (1563, 440262), (1578, 436077), (1674, 411069), (2367, 290718), (2511, 274046), (3126, 220131), (4689, 146754), (4734, 145359), (5022, 137023), (7101, 96906), (8153, 84402), (9378, 73377), (14067, 48918), (14202, 48453), (16151, 42606), (16306, 42201), (21303, 32302), (24459, 28134)]