201619579

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 244270080

約数和(自身を除く): 42650501

約数列:

[1, 7, 53, 59, 61, 151, 371, 413, 427, 1057, 3127, 3233, 3599, 8003, 8909, 9211, 21889, 22631, 25193, 56021, 62363, 64477, 190747, 472177, 488183, 543449, 1335229, 3305239, 3417281, 3804143, 28802797, 201619579]

約数ペア:

[(1, 201619579), (7, 28802797), (53, 3804143), (59, 3417281), (61, 3305239), (151, 1335229), (371, 543449), (413, 488183), (427, 472177), (1057, 190747), (3127, 64477), (3233, 62363), (3599, 56021), (8003, 25193), (8909, 22631), (9211, 21889)]