156789317251

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2777}}^1\times {\mathrm{18457}}^1$

素因数の和:21283

約数の個数: 32

約数和(自身を含む): 196901084160

約数和(自身を除く): 40111766909

約数列:

[1, 7, 19, 23, 133, 161, 437, 2777, 3059, 18457, 19439, 52763, 63871, 129199, 350683, 369341, 424511, 447097, 1213549, 2454781, 2971577, 8065709, 8494843, 51255089, 56459963, 358785623, 973846691, 1178867047, 6816926837, 8252069329, 22398473893, 156789317251]

約数ペア:

[(1, 156789317251), (7, 22398473893), (19, 8252069329), (23, 6816926837), (133, 1178867047), (161, 973846691), (437, 358785623), (2777, 56459963), (3059, 51255089), (18457, 8494843), (19439, 8065709), (52763, 2971577), (63871, 2454781), (129199, 1213549), (350683, 447097), (369341, 424511)]