4003866256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{620947}}^1$

素因数の和:620999

約数の個数: 40

約数和(自身を含む): 8623725824

約数和(自身を除く): 4619859568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 620947, 1241894, 2483788, 4967576, 8072311, 9935152, 16144622, 19249357, 32289244, 38498714, 64578488, 76997428, 129156976, 153994856, 250241641, 307989712, 500483282, 1000966564, 2001933128, 4003866256]

約数ペア:

[(1, 4003866256), (2, 2001933128), (4, 1000966564), (8, 500483282), (13, 307989712), (16, 250241641), (26, 153994856), (31, 129156976), (52, 76997428), (62, 64578488), (104, 38498714), (124, 32289244), (208, 19249357), (248, 16144622), (403, 9935152), (496, 8072311), (806, 4967576), (1612, 2483788), (3224, 1241894), (6448, 620947)]