128142768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205357}}^1$

素因数の和:205381

約数の個数: 40

約数和(自身を含む): 356501488

約数和(自身を除く): 228358720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205357, 410714, 616071, 821428, 1232142, 1642856, 2464284, 2669641, 3285712, 4928568, 5339282, 8008923, 9857136, 10678564, 16017846, 21357128, 32035692, 42714256, 64071384, 128142768]

約数ペア:

[(1, 128142768), (2, 64071384), (3, 42714256), (4, 32035692), (6, 21357128), (8, 16017846), (12, 10678564), (13, 9857136), (16, 8008923), (24, 5339282), (26, 4928568), (39, 3285712), (48, 2669641), (52, 2464284), (78, 1642856), (104, 1232142), (156, 821428), (208, 616071), (312, 410714), (624, 205357)]