68642808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{220009}}^1$

素因数の和:220031

約数の個数: 32

約数和(自身を含む): 184808400

約数和(自身を除く): 116165592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 220009, 440018, 660027, 880036, 1320054, 1760072, 2640108, 2860117, 5280216, 5720234, 8580351, 11440468, 17160702, 22880936, 34321404, 68642808]

約数ペア:

[(1, 68642808), (2, 34321404), (3, 22880936), (4, 17160702), (6, 11440468), (8, 8580351), (12, 5720234), (13, 5280216), (24, 2860117), (26, 2640108), (39, 1760072), (52, 1320054), (78, 880036), (104, 660027), (156, 440018), (312, 220009)]