208861354

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 363025152

約数和(自身を除く): 154163798

約数列:

[1, 2, 13, 17, 26, 34, 163, 169, 221, 223, 326, 338, 442, 446, 2119, 2771, 2873, 2899, 3791, 4238, 5542, 5746, 5798, 7582, 27547, 36023, 36349, 37687, 49283, 55094, 72046, 72698, 75374, 98566, 468299, 472537, 617933, 640679, 936598, 945074, 1235866, 1281358, 6142981, 8033129, 12285962, 16066258, 104430677, 208861354]

約数ペア:

[(1, 208861354), (2, 104430677), (13, 16066258), (17, 12285962), (26, 8033129), (34, 6142981), (163, 1281358), (169, 1235866), (221, 945074), (223, 936598), (326, 640679), (338, 617933), (442, 472537), (446, 468299), (2119, 98566), (2771, 75374), (2873, 72698), (2899, 72046), (3791, 55094), (4238, 49283), (5542, 37687), (5746, 36349), (5798, 36023), (7582, 27547)]