639426

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 1382400

約数和(自身を除く): 742974

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 79, 114, 142, 158, 213, 237, 426, 474, 1349, 1501, 2698, 3002, 4047, 4503, 5609, 8094, 9006, 11218, 16827, 33654, 106571, 213142, 319713, 639426]

約数ペア:

[(1, 639426), (2, 319713), (3, 213142), (6, 106571), (19, 33654), (38, 16827), (57, 11218), (71, 9006), (79, 8094), (114, 5609), (142, 4503), (158, 4047), (213, 3002), (237, 2698), (426, 1501), (474, 1349)]