31480904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 42183736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 332, 364, 521, 581, 664, 728, 1042, 1079, 1162, 2084, 2158, 2324, 3647, 4168, 4316, 4648, 6773, 7294, 7553, 8632, 13546, 14588, 15106, 27092, 29176, 30212, 43243, 47411, 54184, 60424, 86486, 94822, 172972, 189644, 302701, 345944, 379288, 562159, 605402, 1124318, 1210804, 2248636, 2421608, 3935113, 4497272, 7870226, 15740452, 31480904]

約数ペア:

[(1, 31480904), (2, 15740452), (4, 7870226), (7, 4497272), (8, 3935113), (13, 2421608), (14, 2248636), (26, 1210804), (28, 1124318), (52, 605402), (56, 562159), (83, 379288), (91, 345944), (104, 302701), (166, 189644), (182, 172972), (332, 94822), (364, 86486), (521, 60424), (581, 54184), (664, 47411), (728, 43243), (1042, 30212), (1079, 29176), (1162, 27092), (2084, 15106), (2158, 14588), (2324, 13546), (3647, 8632), (4168, 7553), (4316, 7294), (4648, 6773)]