138835430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19984

約数の個数: 32

約数和(自身を含む): 271071360

約数和(自身を除く): 132235930

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 19919, 39838, 99595, 199190, 338623, 677246, 816679, 1633358, 1693115, 3386230, 4083395, 8166790, 13883543, 27767086, 69417715, 138835430]

約数ペア:

[(1, 138835430), (2, 69417715), (5, 27767086), (10, 13883543), (17, 8166790), (34, 4083395), (41, 3386230), (82, 1693115), (85, 1633358), (170, 816679), (205, 677246), (410, 338623), (697, 199190), (1394, 99595), (3485, 39838), (6970, 19919)]