72878708

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{23879}}^1$

素因数の和:23999

約数の個数: 24

約数和(自身を含む): 147100800

約数和(自身を除く): 74222092

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 23879, 47758, 95516, 167153, 334306, 668612, 2602811, 5205622, 10411244, 18219677, 36439354, 72878708]

約数ペア:

[(1, 72878708), (2, 36439354), (4, 18219677), (7, 10411244), (14, 5205622), (28, 2602811), (109, 668612), (218, 334306), (436, 167153), (763, 95516), (1526, 47758), (3052, 23879)]