818488144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{13367}}^1$

素因数の和:13507

約数の個数: 40

約数和(自身を含む): 1641055680

約数和(自身を除く): 822567536

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 3827, 7654, 13367, 15308, 26734, 30616, 53468, 61232, 106936, 213872, 574781, 1149562, 1189663, 2299124, 2379326, 4598248, 4758652, 9196496, 9517304, 19034608, 51155509, 102311018, 204622036, 409244072, 818488144]

約数ペア:

[(1, 818488144), (2, 409244072), (4, 204622036), (8, 102311018), (16, 51155509), (43, 19034608), (86, 9517304), (89, 9196496), (172, 4758652), (178, 4598248), (344, 2379326), (356, 2299124), (688, 1189663), (712, 1149562), (1424, 574781), (3827, 213872), (7654, 106936), (13367, 61232), (15308, 53468), (26734, 30616)]