339989741

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 434896896

約数和(自身を除く): 94907155

約数列:

[1, 7, 13, 31, 91, 191, 217, 403, 631, 1337, 2483, 2821, 4417, 5921, 8203, 17381, 19561, 41447, 57421, 76973, 120521, 136927, 254293, 538811, 843647, 1566773, 1780051, 3736151, 10967411, 26153057, 48569963, 339989741]

約数ペア:

[(1, 339989741), (7, 48569963), (13, 26153057), (31, 10967411), (91, 3736151), (191, 1780051), (217, 1566773), (403, 843647), (631, 538811), (1337, 254293), (2483, 136927), (2821, 120521), (4417, 76973), (5921, 57421), (8203, 41447), (17381, 19561)]