391875428

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{761}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 801892224

約数和(自身を除く): 410016796

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 347, 371, 694, 742, 761, 1388, 1484, 1522, 2429, 3044, 4858, 5327, 9716, 10654, 18391, 21308, 36782, 40333, 73564, 80666, 128737, 161332, 257474, 264067, 282331, 514948, 528134, 564662, 1056268, 1129324, 1848469, 3696938, 7393876, 13995551, 27991102, 55982204, 97968857, 195937714, 391875428]

約数ペア:

[(1, 391875428), (2, 195937714), (4, 97968857), (7, 55982204), (14, 27991102), (28, 13995551), (53, 7393876), (106, 3696938), (212, 1848469), (347, 1129324), (371, 1056268), (694, 564662), (742, 528134), (761, 514948), (1388, 282331), (1484, 264067), (1522, 257474), (2429, 161332), (3044, 128737), (4858, 80666), (5327, 73564), (9716, 40333), (10654, 36782), (18391, 21308)]