77493955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 123273216

約数和(自身を除く): 45779261

約数列:

[1, 5, 7, 11, 31, 35, 43, 55, 77, 151, 155, 215, 217, 301, 341, 385, 473, 755, 1057, 1085, 1333, 1505, 1661, 1705, 2365, 2387, 3311, 4681, 5285, 6493, 6665, 8305, 9331, 11627, 11935, 14663, 16555, 23405, 32465, 32767, 45451, 46655, 51491, 58135, 71423, 73315, 102641, 163835, 201283, 227255, 257455, 357115, 360437, 499961, 513205, 1006415, 1408981, 1802185, 2214113, 2499805, 7044905, 11070565, 15498791, 77493955]

約数ペア:

[(1, 77493955), (5, 15498791), (7, 11070565), (11, 7044905), (31, 2499805), (35, 2214113), (43, 1802185), (55, 1408981), (77, 1006415), (151, 513205), (155, 499961), (215, 360437), (217, 357115), (301, 257455), (341, 227255), (385, 201283), (473, 163835), (755, 102641), (1057, 73315), (1085, 71423), (1333, 58135), (1505, 51491), (1661, 46655), (1705, 45451), (2365, 32767), (2387, 32465), (3311, 23405), (4681, 16555), (5285, 14663), (6493, 11935), (6665, 11627), (8305, 9331)]