263399604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{12889}}^1$

素因数の和:13040

約数の個数: 48

約数和(自身を含む): 666980160

約数和(自身を除く): 403580556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1572, 1703, 3406, 5109, 6812, 10218, 12889, 20436, 25778, 38667, 51556, 77334, 154668, 167557, 335114, 502671, 670228, 1005342, 1688459, 2010684, 3376918, 5065377, 6753836, 10130754, 20261508, 21949967, 43899934, 65849901, 87799868, 131699802, 263399604]

約数ペア:

[(1, 263399604), (2, 131699802), (3, 87799868), (4, 65849901), (6, 43899934), (12, 21949967), (13, 20261508), (26, 10130754), (39, 6753836), (52, 5065377), (78, 3376918), (131, 2010684), (156, 1688459), (262, 1005342), (393, 670228), (524, 502671), (786, 335114), (1572, 167557), (1703, 154668), (3406, 77334), (5109, 51556), (6812, 38667), (10218, 25778), (12889, 20436)]