64817284

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 138409600

約数和(自身を除く): 73592316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 1022, 1387, 1669, 2044, 2774, 3338, 5548, 6676, 9709, 11683, 19418, 23366, 31711, 38836, 46732, 63422, 121837, 126844, 221977, 243674, 443954, 487348, 852859, 887908, 1705718, 2314903, 3411436, 4629806, 9259612, 16204321, 32408642, 64817284]

約数ペア:

[(1, 64817284), (2, 32408642), (4, 16204321), (7, 9259612), (14, 4629806), (19, 3411436), (28, 2314903), (38, 1705718), (73, 887908), (76, 852859), (133, 487348), (146, 443954), (266, 243674), (292, 221977), (511, 126844), (532, 121837), (1022, 63422), (1387, 46732), (1669, 38836), (2044, 31711), (2774, 23366), (3338, 19418), (5548, 11683), (6676, 9709)]