2051227568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{71983}}^1$

素因数の和:72141

約数の個数: 40

約数和(自身を含む): 4311265728

約数和(自身を除く): 2260038160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 3562, 7124, 14248, 28496, 71983, 143966, 287932, 575864, 935779, 1151728, 1871558, 3743116, 7486232, 9861671, 14972464, 19723342, 39446684, 78893368, 128201723, 157786736, 256403446, 512806892, 1025613784, 2051227568]

約数ペア:

[(1, 2051227568), (2, 1025613784), (4, 512806892), (8, 256403446), (13, 157786736), (16, 128201723), (26, 78893368), (52, 39446684), (104, 19723342), (137, 14972464), (208, 9861671), (274, 7486232), (548, 3743116), (1096, 1871558), (1781, 1151728), (2192, 935779), (3562, 575864), (7124, 287932), (14248, 143966), (28496, 71983)]