16981428

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 24306252

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 191, 239, 372, 382, 478, 573, 717, 764, 956, 1146, 1434, 2292, 2868, 5921, 7409, 11842, 14818, 17763, 22227, 23684, 29636, 35526, 44454, 45649, 71052, 88908, 91298, 136947, 182596, 273894, 547788, 1415119, 2830238, 4245357, 5660476, 8490714, 16981428]

約数ペア:

[(1, 16981428), (2, 8490714), (3, 5660476), (4, 4245357), (6, 2830238), (12, 1415119), (31, 547788), (62, 273894), (93, 182596), (124, 136947), (186, 91298), (191, 88908), (239, 71052), (372, 45649), (382, 44454), (478, 35526), (573, 29636), (717, 23684), (764, 22227), (956, 17763), (1146, 14818), (1434, 11842), (2292, 7409), (2868, 5921)]