128804944

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{4789}}^1$

素因数の和:4879

約数の個数: 30

約数和(自身を含む): 255848270

約数和(自身を除く): 127043326

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1681, 3362, 4789, 6724, 9578, 13448, 19156, 26896, 38312, 76624, 196349, 392698, 785396, 1570792, 3141584, 8050309, 16100618, 32201236, 64402472, 128804944]

約数ペア:

[(1, 128804944), (2, 64402472), (4, 32201236), (8, 16100618), (16, 8050309), (41, 3141584), (82, 1570792), (164, 785396), (328, 392698), (656, 196349), (1681, 76624), (3362, 38312), (4789, 26896), (6724, 19156), (9578, 13448)]