39806416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 83543264

約数和(自身を除く): 43736848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 907, 1688, 1814, 2743, 3376, 3628, 5486, 7256, 10972, 11791, 14512, 21944, 23582, 43888, 47164, 94328, 188656, 191377, 382754, 765508, 1531016, 2487901, 3062032, 4975802, 9951604, 19903208, 39806416]

約数ペア:

[(1, 39806416), (2, 19903208), (4, 9951604), (8, 4975802), (13, 3062032), (16, 2487901), (26, 1531016), (52, 765508), (104, 382754), (208, 191377), (211, 188656), (422, 94328), (844, 47164), (907, 43888), (1688, 23582), (1814, 21944), (2743, 14512), (3376, 11791), (3628, 10972), (5486, 7256)]