686467130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1295221}}^1$

素因数の和:1295281

約数の個数: 16

約数和(自身を含む): 1258955784

約数和(自身を除く): 572488654

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1295221, 2590442, 6476105, 12952210, 68646713, 137293426, 343233565, 686467130]

約数ペア:

[(1, 686467130), (2, 343233565), (5, 137293426), (10, 68646713), (53, 12952210), (106, 6476105), (265, 2590442), (530, 1295221)]