420290638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2663}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 681302016

約数和(自身を除く): 261011378

約数列:

[1, 2, 23, 46, 47, 73, 94, 146, 1081, 1679, 2162, 2663, 3358, 3431, 5326, 6862, 61249, 78913, 122498, 125161, 157826, 194399, 250322, 388798, 2878703, 4471177, 5757406, 8942354, 9136753, 18273506, 210145319, 420290638]

約数ペア:

[(1, 420290638), (2, 210145319), (23, 18273506), (46, 9136753), (47, 8942354), (73, 5757406), (94, 4471177), (146, 2878703), (1081, 388798), (1679, 250322), (2162, 194399), (2663, 157826), (3358, 125161), (3431, 122498), (5326, 78913), (6862, 61249)]