77871668

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{1259}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 159253920

約数和(自身を除く): 81382252

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1259, 1316, 2209, 2518, 4418, 5036, 8813, 8836, 15463, 17626, 30926, 35252, 59173, 61852, 118346, 236692, 414211, 828422, 1656844, 2781131, 5562262, 11124524, 19467917, 38935834, 77871668]

約数ペア:

[(1, 77871668), (2, 38935834), (4, 19467917), (7, 11124524), (14, 5562262), (28, 2781131), (47, 1656844), (94, 828422), (188, 414211), (329, 236692), (658, 118346), (1259, 61852), (1316, 59173), (2209, 35252), (2518, 30926), (4418, 17626), (5036, 15463), (8813, 8836)]