1319428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 2548224

約数和(自身を除く): 1228796

約数列:

[1, 2, 4, 11, 22, 44, 157, 191, 314, 382, 628, 764, 1727, 2101, 3454, 4202, 6908, 8404, 29987, 59974, 119948, 329857, 659714, 1319428]

約数ペア:

[(1, 1319428), (2, 659714), (4, 329857), (11, 119948), (22, 59974), (44, 29987), (157, 8404), (191, 6908), (314, 4202), (382, 3454), (628, 2101), (764, 1727)]