71390837

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 90616320

約数和(自身を除く): 19225483

約数列:

[1, 7, 17, 29, 119, 137, 151, 203, 493, 959, 1057, 2329, 2567, 3451, 3973, 4379, 16303, 17969, 20687, 27811, 30653, 67541, 74443, 144809, 351679, 472787, 521101, 599923, 2461753, 4199461, 10198691, 71390837]

約数ペア:

[(1, 71390837), (7, 10198691), (17, 4199461), (29, 2461753), (119, 599923), (137, 521101), (151, 472787), (203, 351679), (493, 144809), (959, 74443), (1057, 67541), (2329, 30653), (2567, 27811), (3451, 20687), (3973, 17969), (4379, 16303)]