321662015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4099

約数の個数: 32

約数和(自身を含む): 436980096

約数和(自身を除く): 115318081

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3485, 4013, 4715, 16031, 20065, 68221, 80155, 92299, 164533, 341105, 461495, 822665, 1569083, 2797061, 3784259, 7845415, 13985305, 18921295, 64332403, 321662015]

約数ペア:

[(1, 321662015), (5, 64332403), (17, 18921295), (23, 13985305), (41, 7845415), (85, 3784259), (115, 2797061), (205, 1569083), (391, 822665), (697, 461495), (943, 341105), (1955, 164533), (3485, 92299), (4013, 80155), (4715, 68221), (16031, 20065)]