13438568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 31389120

約数和(自身を除く): 17950552

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 691, 748, 884, 1144, 1382, 1496, 1768, 2431, 2764, 4862, 5528, 7601, 8983, 9724, 11747, 15202, 17966, 19448, 23494, 30404, 35932, 46988, 60808, 71864, 93976, 98813, 129217, 152711, 197626, 258434, 305422, 395252, 516868, 610844, 790504, 1033736, 1221688, 1679821, 3359642, 6719284, 13438568]

約数ペア:

[(1, 13438568), (2, 6719284), (4, 3359642), (8, 1679821), (11, 1221688), (13, 1033736), (17, 790504), (22, 610844), (26, 516868), (34, 395252), (44, 305422), (52, 258434), (68, 197626), (88, 152711), (104, 129217), (136, 98813), (143, 93976), (187, 71864), (221, 60808), (286, 46988), (374, 35932), (442, 30404), (572, 23494), (691, 19448), (748, 17966), (884, 15202), (1144, 11747), (1382, 9724), (1496, 8983), (1768, 7601), (2431, 5528), (2764, 4862)]