68520788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78941}}^1$

素因数の和:78983

約数の個数: 24

約数和(自身を含む): 141464064

約数和(自身を除く): 72943276

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 78941, 157882, 315764, 552587, 1105174, 2210348, 2447171, 4894342, 9788684, 17130197, 34260394, 68520788]

約数ペア:

[(1, 68520788), (2, 34260394), (4, 17130197), (7, 9788684), (14, 4894342), (28, 2447171), (31, 2210348), (62, 1105174), (124, 552587), (217, 315764), (434, 157882), (868, 78941)]