157779890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{22637}}^1$

素因数の和:22702

約数の個数: 32

約数和(自身を含む): 308057904

約数和(自身を除く): 150278014

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 22637, 45274, 113185, 226370, 384829, 769658, 928117, 1856234, 1924145, 3848290, 4640585, 9281170, 15777989, 31555978, 78889945, 157779890]

約数ペア:

[(1, 157779890), (2, 78889945), (5, 31555978), (10, 15777989), (17, 9281170), (34, 4640585), (41, 3848290), (82, 1924145), (85, 1856234), (170, 928117), (205, 769658), (410, 384829), (697, 226370), (1394, 113185), (3485, 45274), (6970, 22637)]