1391640964

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{983}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 2939908608

約数和(自身を除く): 1548267644

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 233, 434, 466, 868, 932, 983, 1519, 1631, 1966, 3038, 3262, 3932, 6076, 6524, 6881, 7223, 11417, 13762, 14446, 22834, 27524, 28892, 30473, 45668, 48167, 50561, 60946, 96334, 101122, 121892, 192668, 202244, 213311, 229039, 353927, 426622, 458078, 707854, 853244, 916156, 1415708, 1493177, 1603273, 2986354, 3206546, 5972708, 6413092, 7100209, 11222911, 14200418, 22445822, 28400836, 44891644, 49701463, 99402926, 198805852, 347910241, 695820482, 1391640964]

約数ペア:

[(1, 1391640964), (2, 695820482), (4, 347910241), (7, 198805852), (14, 99402926), (28, 49701463), (31, 44891644), (49, 28400836), (62, 22445822), (98, 14200418), (124, 11222911), (196, 7100209), (217, 6413092), (233, 5972708), (434, 3206546), (466, 2986354), (868, 1603273), (932, 1493177), (983, 1415708), (1519, 916156), (1631, 853244), (1966, 707854), (3038, 458078), (3262, 426622), (3932, 353927), (6076, 229039), (6524, 213311), (6881, 202244), (7223, 192668), (11417, 121892), (13762, 101122), (14446, 96334), (22834, 60946), (27524, 50561), (28892, 48167), (30473, 45668)]