279856642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4723}}^1$

素因数の和:4834

約数の個数: 32

約数和(自身を含む): 471417408

約数和(自身を除く): 191560766

約数列:

[1, 2, 13, 26, 43, 53, 86, 106, 559, 689, 1118, 1378, 2279, 4558, 4723, 9446, 29627, 59254, 61399, 122798, 203089, 250319, 406178, 500638, 2640157, 3254147, 5280314, 6508294, 10763717, 21527434, 139928321, 279856642]

約数ペア:

[(1, 279856642), (2, 139928321), (13, 21527434), (26, 10763717), (43, 6508294), (53, 5280314), (86, 3254147), (106, 2640157), (559, 500638), (689, 406178), (1118, 250319), (1378, 203089), (2279, 122798), (4558, 61399), (4723, 59254), (9446, 29627)]