278317884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{13619}}^1$

素因数の和:13770

約数の個数: 48

約数和(自身を含む): 704753280

約数和(自身を除く): 426435396

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, 13619, 20436, 27238, 40857, 54476, 81714, 163428, 177047, 354094, 531141, 708188, 1062282, 1784089, 2124564, 3568178, 5352267, 7136356, 10704534, 21409068, 23193157, 46386314, 69579471, 92772628, 139158942, 278317884]

約数ペア:

[(1, 278317884), (2, 139158942), (3, 92772628), (4, 69579471), (6, 46386314), (12, 23193157), (13, 21409068), (26, 10704534), (39, 7136356), (52, 5352267), (78, 3568178), (131, 2124564), (156, 1784089), (262, 1062282), (393, 708188), (524, 531141), (786, 354094), (1572, 177047), (1703, 163428), (3406, 81714), (5109, 54476), (6812, 40857), (10218, 27238), (13619, 20436)]