66488366

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 118333440

約数和(自身を除く): 51845074

約数列:

[1, 2, 7, 14, 31, 62, 217, 239, 434, 478, 641, 1282, 1673, 3346, 4487, 7409, 8974, 14818, 19871, 39742, 51863, 103726, 139097, 153199, 278194, 306398, 1072393, 2144786, 4749169, 9498338, 33244183, 66488366]

約数ペア:

[(1, 66488366), (2, 33244183), (7, 9498338), (14, 4749169), (31, 2144786), (62, 1072393), (217, 306398), (239, 278194), (434, 153199), (478, 139097), (641, 103726), (1282, 51863), (1673, 39742), (3346, 19871), (4487, 14818), (7409, 8974)]