128669808

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{65381}}^1$

素因数の和:65433

約数の個数: 40

約数和(自身を含む): 340509456

約数和(自身を除く): 211839648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 65381, 130762, 196143, 261524, 392286, 523048, 784572, 1046096, 1569144, 2680621, 3138288, 5361242, 8041863, 10722484, 16083726, 21444968, 32167452, 42889936, 64334904, 128669808]

約数ペア:

[(1, 128669808), (2, 64334904), (3, 42889936), (4, 32167452), (6, 21444968), (8, 16083726), (12, 10722484), (16, 8041863), (24, 5361242), (41, 3138288), (48, 2680621), (82, 1569144), (123, 1046096), (164, 784572), (246, 523048), (328, 392286), (492, 261524), (656, 196143), (984, 130762), (1968, 65381)]