74151721

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 89354112

約数和(自身を除く): 15202391

約数列:

[1, 7, 31, 73, 151, 217, 511, 961, 1057, 2263, 4681, 6727, 11023, 15841, 32767, 70153, 77161, 145111, 341713, 491071, 1015777, 2391991, 10593103, 74151721]

約数ペア:

[(1, 74151721), (7, 10593103), (31, 2391991), (73, 1015777), (151, 491071), (217, 341713), (511, 145111), (961, 77161), (1057, 70153), (2263, 32767), (4681, 15841), (6727, 11023)]