389156690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{176089}}^1$

素因数の和:176126

約数の個数: 32

約数和(自身を含む): 798744240

約数和(自身を除く): 409587550

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 176089, 352178, 880445, 1760890, 2289157, 2993513, 4578314, 5987026, 11445785, 14967565, 22891570, 29935130, 38915669, 77831338, 194578345, 389156690]

約数ペア:

[(1, 389156690), (2, 194578345), (5, 77831338), (10, 38915669), (13, 29935130), (17, 22891570), (26, 14967565), (34, 11445785), (65, 5987026), (85, 4578314), (130, 2993513), (170, 2289157), (221, 1760890), (442, 880445), (1105, 352178), (2210, 176089)]