399122964

素因数分解:

$2^2\times 3^4\times {\mathrm{59}}^1\times {\mathrm{20879}}^1$

素因数の和:20954

約数の個数: 60

約数和(自身を含む): 1061121600

約数和(自身を除く): 661998636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 324, 354, 531, 708, 1062, 1593, 2124, 3186, 4779, 6372, 9558, 19116, 20879, 41758, 62637, 83516, 125274, 187911, 250548, 375822, 563733, 751644, 1127466, 1231861, 1691199, 2254932, 2463722, 3382398, 3695583, 4927444, 6764796, 7391166, 11086749, 14782332, 22173498, 33260247, 44346996, 66520494, 99780741, 133040988, 199561482, 399122964]

約数ペア:

[(1, 399122964), (2, 199561482), (3, 133040988), (4, 99780741), (6, 66520494), (9, 44346996), (12, 33260247), (18, 22173498), (27, 14782332), (36, 11086749), (54, 7391166), (59, 6764796), (81, 4927444), (108, 3695583), (118, 3382398), (162, 2463722), (177, 2254932), (236, 1691199), (324, 1231861), (354, 1127466), (531, 751644), (708, 563733), (1062, 375822), (1593, 250548), (2124, 187911), (3186, 125274), (4779, 83516), (6372, 62637), (9558, 41758), (19116, 20879)]