209210968

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{577}}^1\times {\mathrm{743}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 399929760

約数和(自身を除く): 190718792

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 577, 743, 1154, 1486, 2308, 2972, 4616, 5944, 35197, 45323, 70394, 90646, 140788, 181292, 281576, 362584, 428711, 857422, 1714844, 3429688, 26151371, 52302742, 104605484, 209210968]

約数ペア:

[(1, 209210968), (2, 104605484), (4, 52302742), (8, 26151371), (61, 3429688), (122, 1714844), (244, 857422), (488, 428711), (577, 362584), (743, 281576), (1154, 181292), (1486, 140788), (2308, 90646), (2972, 70394), (4616, 45323), (5944, 35197)]