397164956

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{4421}}^1$

素因数の和:5069

約数の個数: 24

約数和(自身を含む): 715161216

約数和(自身を除く): 317996260

約数列:

[1, 2, 4, 37, 74, 148, 607, 1214, 2428, 4421, 8842, 17684, 22459, 44918, 89836, 163577, 327154, 654308, 2683547, 5367094, 10734188, 99291239, 198582478, 397164956]

約数ペア:

[(1, 397164956), (2, 198582478), (4, 99291239), (37, 10734188), (74, 5367094), (148, 2683547), (607, 654308), (1214, 327154), (2428, 163577), (4421, 89836), (8842, 44918), (17684, 22459)]