1889746690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{855089}}^1$

素因数の和:855126

約数の個数: 32

約数和(自身を含む): 3878688240

約数和(自身を除く): 1988941550

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 855089, 1710178, 4275445, 8550890, 11116157, 14536513, 22232314, 29073026, 55580785, 72682565, 111161570, 145365130, 188974669, 377949338, 944873345, 1889746690]

約数ペア:

[(1, 1889746690), (2, 944873345), (5, 377949338), (10, 188974669), (13, 145365130), (17, 111161570), (26, 72682565), (34, 55580785), (65, 29073026), (85, 22232314), (130, 14536513), (170, 11116157), (221, 8550890), (442, 4275445), (1105, 1710178), (2210, 855089)]