681226

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 1330560

約数和(自身を除く): 649334

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 197, 247, 266, 394, 494, 1379, 1729, 2561, 2758, 3458, 3743, 5122, 7486, 17927, 26201, 35854, 48659, 52402, 97318, 340613, 681226]

約数ペア:

[(1, 681226), (2, 340613), (7, 97318), (13, 52402), (14, 48659), (19, 35854), (26, 26201), (38, 17927), (91, 7486), (133, 5122), (182, 3743), (197, 3458), (247, 2758), (266, 2561), (394, 1729), (494, 1379)]