321048578

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 502951680

約数和(自身を除く): 181903102

約数列:

[1, 2, 43, 86, 107, 139, 214, 251, 278, 502, 4601, 5977, 9202, 10793, 11954, 14873, 21586, 26857, 29746, 34889, 53714, 69778, 639539, 1154851, 1279078, 1500227, 2309702, 3000454, 3733123, 7466246, 160524289, 321048578]

約数ペア:

[(1, 321048578), (2, 160524289), (43, 7466246), (86, 3733123), (107, 3000454), (139, 2309702), (214, 1500227), (251, 1279078), (278, 1154851), (502, 639539), (4601, 69778), (5977, 53714), (9202, 34889), (10793, 29746), (11954, 26857), (14873, 21586)]