1640246356

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{683}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 3309465600

約数和(自身を除く): 1669219244

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 431, 683, 796, 862, 1366, 1393, 1724, 2732, 2786, 3017, 4781, 5572, 6034, 9562, 12068, 19124, 85769, 135917, 171538, 271834, 294373, 343076, 543668, 588746, 600383, 951419, 1177492, 1200766, 1902838, 2060611, 2401532, 3805676, 4121222, 8242444, 58580227, 117160454, 234320908, 410061589, 820123178, 1640246356]

約数ペア:

[(1, 1640246356), (2, 820123178), (4, 410061589), (7, 234320908), (14, 117160454), (28, 58580227), (199, 8242444), (398, 4121222), (431, 3805676), (683, 2401532), (796, 2060611), (862, 1902838), (1366, 1200766), (1393, 1177492), (1724, 951419), (2732, 600383), (2786, 588746), (3017, 543668), (4781, 343076), (5572, 294373), (6034, 271834), (9562, 171538), (12068, 135917), (19124, 85769)]