68621104

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138349}}^1$

素因数の和:138388

約数の個数: 20

約数和(自身を含む): 137243200

約数和(自身を除く): 68622096

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138349, 276698, 553396, 1106792, 2213584, 4288819, 8577638, 17155276, 34310552, 68621104]

約数ペア:

[(1, 68621104), (2, 34310552), (4, 17155276), (8, 8577638), (16, 4288819), (31, 2213584), (62, 1106792), (124, 553396), (248, 276698), (496, 138349)]