155969863

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 189987840

約数和(自身を除く): 34017977

約数列:

[1, 7, 41, 59, 61, 151, 287, 413, 427, 1057, 2419, 2501, 3599, 6191, 8909, 9211, 16933, 17507, 25193, 43337, 62363, 64477, 147559, 365269, 377651, 543449, 1032913, 2556883, 2643557, 3804143, 22281409, 155969863]

約数ペア:

[(1, 155969863), (7, 22281409), (41, 3804143), (59, 2643557), (61, 2556883), (151, 1032913), (287, 543449), (413, 377651), (427, 365269), (1057, 147559), (2419, 64477), (2501, 62363), (3599, 43337), (6191, 25193), (8909, 17507), (9211, 16933)]