255979878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9391}}^1$

素因数の和:9473

約数の個数: 64

約数和(自身を含む): 649175040

約数和(自身を除く): 393195162

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 826, 1239, 1298, 1947, 2478, 3894, 4543, 9086, 9391, 13629, 18782, 27258, 28173, 56346, 65737, 103301, 131474, 197211, 206602, 309903, 394422, 554069, 619806, 723107, 1108138, 1446214, 1662207, 2169321, 3324414, 3878483, 4338642, 6094759, 7756966, 11635449, 12189518, 18284277, 23270898, 36568554, 42663313, 85326626, 127989939, 255979878]

約数ペア:

[(1, 255979878), (2, 127989939), (3, 85326626), (6, 42663313), (7, 36568554), (11, 23270898), (14, 18284277), (21, 12189518), (22, 11635449), (33, 7756966), (42, 6094759), (59, 4338642), (66, 3878483), (77, 3324414), (118, 2169321), (154, 1662207), (177, 1446214), (231, 1108138), (354, 723107), (413, 619806), (462, 554069), (649, 394422), (826, 309903), (1239, 206602), (1298, 197211), (1947, 131474), (2478, 103301), (3894, 65737), (4543, 56346), (9086, 28173), (9391, 27258), (13629, 18782)]