257475078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{681151}}^1$

素因数の和:681169

約数の個数: 32

約数和(自身を含む): 653905920

約数和(自身を除く): 396430842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 681151, 1362302, 2043453, 4086906, 4768057, 6130359, 9536114, 12260718, 14304171, 18391077, 28608342, 36782154, 42912513, 85825026, 128737539, 257475078]

約数ペア:

[(1, 257475078), (2, 128737539), (3, 85825026), (6, 42912513), (7, 36782154), (9, 28608342), (14, 18391077), (18, 14304171), (21, 12260718), (27, 9536114), (42, 6130359), (54, 4768057), (63, 4086906), (126, 2043453), (189, 1362302), (378, 681151)]