157280305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8431}}^1$

素因数の和:8497

約数の個数: 32

約数和(自身を含む): 237984768

約数和(自身を除く): 80704463

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3731, 8431, 18655, 42155, 59017, 109603, 295085, 345671, 548015, 767221, 1728355, 2419697, 3836105, 4493723, 12098485, 22468615, 31456061, 157280305]

約数ペア:

[(1, 157280305), (5, 31456061), (7, 22468615), (13, 12098485), (35, 4493723), (41, 3836105), (65, 2419697), (91, 1728355), (205, 767221), (287, 548015), (455, 345671), (533, 295085), (1435, 109603), (2665, 59017), (3731, 42155), (8431, 18655)]