205740968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{1669}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 406812000

約数和(自身を除く): 201071032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 811, 1622, 1669, 3244, 3338, 6488, 6676, 13352, 15409, 30818, 31711, 61636, 63422, 123272, 126844, 253688, 1353559, 2707118, 5414236, 10828472, 25717621, 51435242, 102870484, 205740968]

約数ペア:

[(1, 205740968), (2, 102870484), (4, 51435242), (8, 25717621), (19, 10828472), (38, 5414236), (76, 2707118), (152, 1353559), (811, 253688), (1622, 126844), (1669, 123272), (3244, 63422), (3338, 61636), (6488, 31711), (6676, 30818), (13352, 15409)]