31039673

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 39782400

約数和(自身を除く): 8742727

約数列:

[1, 7, 19, 23, 73, 133, 139, 161, 437, 511, 973, 1387, 1679, 2641, 3059, 3197, 9709, 10147, 11753, 18487, 22379, 31901, 60743, 71029, 192793, 223307, 233381, 425201, 1349551, 1633667, 4434239, 31039673]

約数ペア:

[(1, 31039673), (7, 4434239), (19, 1633667), (23, 1349551), (73, 425201), (133, 233381), (139, 223307), (161, 192793), (437, 71029), (511, 60743), (973, 31901), (1387, 22379), (1679, 18487), (2641, 11753), (3059, 10147), (3197, 9709)]