90407408

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2062

約数の個数: 80

約数和(自身を含む): 222652416

約数和(自身を除く): 132245008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2003, 2821, 3224, 3472, 4006, 5642, 6448, 8012, 11284, 14021, 16024, 22568, 26039, 28042, 32048, 45136, 52078, 56084, 62093, 104156, 112168, 124186, 182273, 208312, 224336, 248372, 364546, 416624, 434651, 496744, 729092, 807209, 869302, 993488, 1458184, 1614418, 1738604, 2916368, 3228836, 3477208, 5650463, 6457672, 6954416, 11300926, 12915344, 22601852, 45203704, 90407408]

約数ペア:

[(1, 90407408), (2, 45203704), (4, 22601852), (7, 12915344), (8, 11300926), (13, 6954416), (14, 6457672), (16, 5650463), (26, 3477208), (28, 3228836), (31, 2916368), (52, 1738604), (56, 1614418), (62, 1458184), (91, 993488), (104, 869302), (112, 807209), (124, 729092), (182, 496744), (208, 434651), (217, 416624), (248, 364546), (364, 248372), (403, 224336), (434, 208312), (496, 182273), (728, 124186), (806, 112168), (868, 104156), (1456, 62093), (1612, 56084), (1736, 52078), (2003, 45136), (2821, 32048), (3224, 28042), (3472, 26039), (4006, 22568), (5642, 16024), (6448, 14021), (8012, 11284)]