242520551

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 307574400

約数和(自身を除く): 65053849

約数列:

[1, 7, 13, 49, 91, 137, 343, 397, 637, 959, 1781, 2779, 4459, 5161, 6713, 12467, 19453, 36127, 46991, 54389, 87269, 136171, 252889, 380723, 610883, 707057, 1770223, 2665061, 4949399, 18655427, 34645793, 242520551]

約数ペア:

[(1, 242520551), (7, 34645793), (13, 18655427), (49, 4949399), (91, 2665061), (137, 1770223), (343, 707057), (397, 610883), (637, 380723), (959, 252889), (1781, 136171), (2779, 87269), (4459, 54389), (5161, 46991), (6713, 36127), (12467, 19453)]