25725638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 41942016

約数和(自身を除く): 16216378

約数列:

[1, 2, 23, 46, 47, 73, 94, 146, 163, 326, 1081, 1679, 2162, 3358, 3431, 3749, 6862, 7498, 7661, 11899, 15322, 23798, 78913, 157826, 176203, 273677, 352406, 547354, 559253, 1118506, 12862819, 25725638]

約数ペア:

[(1, 25725638), (2, 12862819), (23, 1118506), (46, 559253), (47, 547354), (73, 352406), (94, 273677), (146, 176203), (163, 157826), (326, 78913), (1081, 23798), (1679, 15322), (2162, 11899), (3358, 7661), (3431, 7498), (3749, 6862)]