431889770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{2131}}^1$

素因数の和:3710

約数の個数: 32

約数和(自身を含む): 838131840

約数和(自身を除く): 406242070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1559, 2131, 3118, 4262, 7795, 10655, 15590, 20267, 21310, 27703, 40534, 55406, 101335, 138515, 202670, 277030, 3322229, 6644458, 16611145, 33222290, 43188977, 86377954, 215944885, 431889770]

約数ペア:

[(1, 431889770), (2, 215944885), (5, 86377954), (10, 43188977), (13, 33222290), (26, 16611145), (65, 6644458), (130, 3322229), (1559, 277030), (2131, 202670), (3118, 138515), (4262, 101335), (7795, 55406), (10655, 40534), (15590, 27703), (20267, 21310)]