25239487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 8306753

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 389, 403, 713, 2093, 2723, 2821, 4991, 5057, 8947, 9269, 12059, 35399, 62629, 64883, 84413, 116311, 156767, 277357, 814177, 1097369, 1941499, 3605641, 25239487]

約数ペア:

[(1, 25239487), (7, 3605641), (13, 1941499), (23, 1097369), (31, 814177), (91, 277357), (161, 156767), (217, 116311), (299, 84413), (389, 64883), (403, 62629), (713, 35399), (2093, 12059), (2723, 9269), (2821, 8947), (4991, 5057)]