78878572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{8467}}^1$

素因数の和:8625

約数の個数: 24

約数和(自身を含む): 147241584

約数和(自身を除く): 68363012

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2329, 4658, 8467, 9316, 16934, 33868, 143939, 287878, 575756, 1159979, 2319958, 4639916, 19719643, 39439286, 78878572]

約数ペア:

[(1, 78878572), (2, 39439286), (4, 19719643), (17, 4639916), (34, 2319958), (68, 1159979), (137, 575756), (274, 287878), (548, 143939), (2329, 33868), (4658, 16934), (8467, 9316)]