31678878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 47947362

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 191, 231, 359, 382, 462, 573, 718, 1077, 1146, 1337, 2101, 2154, 2513, 2674, 3949, 4011, 4202, 5026, 6303, 7539, 7898, 8022, 11847, 12606, 14707, 15078, 23694, 27643, 29414, 44121, 55286, 68569, 82929, 88242, 137138, 165858, 205707, 411414, 479983, 754259, 959966, 1439949, 1508518, 2262777, 2879898, 4525554, 5279813, 10559626, 15839439, 31678878]

約数ペア:

[(1, 31678878), (2, 15839439), (3, 10559626), (6, 5279813), (7, 4525554), (11, 2879898), (14, 2262777), (21, 1508518), (22, 1439949), (33, 959966), (42, 754259), (66, 479983), (77, 411414), (154, 205707), (191, 165858), (231, 137138), (359, 88242), (382, 82929), (462, 68569), (573, 55286), (718, 44121), (1077, 29414), (1146, 27643), (1337, 23694), (2101, 15078), (2154, 14707), (2513, 12606), (2674, 11847), (3949, 8022), (4011, 7898), (4202, 7539), (5026, 6303)]