290418926

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{3821}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 511842240

約数和(自身を除く): 221423314

約数列:

[1, 2, 7, 14, 61, 89, 122, 178, 427, 623, 854, 1246, 3821, 5429, 7642, 10858, 26747, 38003, 53494, 76006, 233081, 340069, 466162, 680138, 1631567, 2380483, 3263134, 4760966, 20744209, 41488418, 145209463, 290418926]

約数ペア:

[(1, 290418926), (2, 145209463), (7, 41488418), (14, 20744209), (61, 4760966), (89, 3263134), (122, 2380483), (178, 1631567), (427, 680138), (623, 466162), (854, 340069), (1246, 233081), (3821, 76006), (5429, 53494), (7642, 38003), (10858, 26747)]