156986178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1721}}^1$

素因数の和:2410

約数の個数: 32

約数和(自身を含む): 328309632

約数和(自身を除く): 171323454

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 661, 1322, 1721, 1983, 3442, 3966, 5163, 10326, 15203, 30406, 39583, 45609, 79166, 91218, 118749, 237498, 1137581, 2275162, 3412743, 6825486, 26164363, 52328726, 78493089, 156986178]

約数ペア:

[(1, 156986178), (2, 78493089), (3, 52328726), (6, 26164363), (23, 6825486), (46, 3412743), (69, 2275162), (138, 1137581), (661, 237498), (1322, 118749), (1721, 91218), (1983, 79166), (3442, 45609), (3966, 39583), (5163, 30406), (10326, 15203)]