1987863344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{4007789}}^1$

素因数の和:4007828

約数の個数: 20

約数和(自身を含む): 3975727680

約数和(自身を除く): 1987864336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4007789, 8015578, 16031156, 32062312, 64124624, 124241459, 248482918, 496965836, 993931672, 1987863344]

約数ペア:

[(1, 1987863344), (2, 993931672), (4, 496965836), (8, 248482918), (16, 124241459), (31, 64124624), (62, 32062312), (124, 16031156), (248, 8015578), (496, 4007789)]