25856558

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 51746688

約数和(自身を除く): 25890130

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 61, 91, 119, 122, 137, 182, 221, 238, 274, 427, 442, 793, 854, 959, 1037, 1547, 1586, 1781, 1918, 2074, 2329, 3094, 3562, 4658, 5551, 7259, 8357, 11102, 12467, 13481, 14518, 16303, 16714, 24934, 26962, 30277, 32606, 58499, 60554, 94367, 108641, 116998, 142069, 188734, 211939, 217282, 284138, 423878, 760487, 994483, 1520974, 1846897, 1988966, 3693794, 12928279, 25856558]

約数ペア:

[(1, 25856558), (2, 12928279), (7, 3693794), (13, 1988966), (14, 1846897), (17, 1520974), (26, 994483), (34, 760487), (61, 423878), (91, 284138), (119, 217282), (122, 211939), (137, 188734), (182, 142069), (221, 116998), (238, 108641), (274, 94367), (427, 60554), (442, 58499), (793, 32606), (854, 30277), (959, 26962), (1037, 24934), (1547, 16714), (1586, 16303), (1781, 14518), (1918, 13481), (2074, 12467), (2329, 11102), (3094, 8357), (3562, 7259), (4658, 5551)]