31631509

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 12494699

約数列:

[1, 7, 13, 17, 23, 49, 91, 119, 127, 161, 221, 299, 391, 637, 833, 889, 1127, 1547, 1651, 2093, 2159, 2737, 2921, 5083, 6223, 10829, 11557, 14651, 15113, 19159, 20447, 28067, 35581, 37973, 49657, 80899, 105791, 143129, 196469, 249067, 265811, 347599, 645541, 1375283, 1860677, 2433193, 4518787, 31631509]

約数ペア:

[(1, 31631509), (7, 4518787), (13, 2433193), (17, 1860677), (23, 1375283), (49, 645541), (91, 347599), (119, 265811), (127, 249067), (161, 196469), (221, 143129), (299, 105791), (391, 80899), (637, 49657), (833, 37973), (889, 35581), (1127, 28067), (1547, 20447), (1651, 19159), (2093, 15113), (2159, 14651), (2737, 11557), (2921, 10829), (5083, 6223)]