409877008

素因数分解:

$2^4\times {\mathrm{1291}}^1\times {\mathrm{19843}}^1$

素因数の和:21142

約数の個数: 20

約数和(自身を含む): 794791888

約数和(自身を除く): 384914880

約数列:

[1, 2, 4, 8, 16, 1291, 2582, 5164, 10328, 19843, 20656, 39686, 79372, 158744, 317488, 25617313, 51234626, 102469252, 204938504, 409877008]

約数ペア:

[(1, 409877008), (2, 204938504), (4, 102469252), (8, 51234626), (16, 25617313), (1291, 317488), (2582, 158744), (5164, 79372), (10328, 39686), (19843, 20656)]