1229121257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 1541804544

約数和(自身を除く): 312683287

約数列:

[1, 7, 13, 71, 91, 281, 497, 677, 923, 1967, 3653, 4739, 6461, 8801, 19951, 25571, 48067, 61607, 139657, 190237, 259363, 336469, 624871, 1331659, 1815541, 2473081, 4374097, 13506827, 17311567, 94547789, 175588751, 1229121257]

約数ペア:

[(1, 1229121257), (7, 175588751), (13, 94547789), (71, 17311567), (91, 13506827), (281, 4374097), (497, 2473081), (677, 1815541), (923, 1331659), (1967, 624871), (3653, 336469), (4739, 259363), (6461, 190237), (8801, 139657), (19951, 61607), (25571, 48067)]