398840204

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{33359}}^1$

素因数の和:33438

約数の個数: 36

約数和(自身を含む): 825259680

約数和(自身を除く): 426419476

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 33359, 66718, 133436, 233513, 467026, 934052, 1634591, 2034899, 3269182, 4069798, 6538364, 8139596, 14244293, 28488586, 56977172, 99710051, 199420102, 398840204]

約数ペア:

[(1, 398840204), (2, 199420102), (4, 99710051), (7, 56977172), (14, 28488586), (28, 14244293), (49, 8139596), (61, 6538364), (98, 4069798), (122, 3269182), (196, 2034899), (244, 1634591), (427, 934052), (854, 467026), (1708, 233513), (2989, 133436), (5978, 66718), (11956, 33359)]