28976870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 56615328

約数和(自身を除く): 27638458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1627, 1781, 3254, 3562, 8135, 8905, 16270, 17810, 21151, 42302, 105755, 211510, 222899, 445798, 1114495, 2228990, 2897687, 5795374, 14488435, 28976870]

約数ペア:

[(1, 28976870), (2, 14488435), (5, 5795374), (10, 2897687), (13, 2228990), (26, 1114495), (65, 445798), (130, 222899), (137, 211510), (274, 105755), (685, 42302), (1370, 21151), (1627, 17810), (1781, 16270), (3254, 8905), (3562, 8135)]