138420904

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{1051}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 263967840

約数和(自身を除く): 125546936

約数列:

[1, 2, 4, 8, 101, 163, 202, 326, 404, 652, 808, 1051, 1304, 2102, 4204, 8408, 16463, 32926, 65852, 106151, 131704, 171313, 212302, 342626, 424604, 685252, 849208, 1370504, 17302613, 34605226, 69210452, 138420904]

約数ペア:

[(1, 138420904), (2, 69210452), (4, 34605226), (8, 17302613), (101, 1370504), (163, 849208), (202, 685252), (326, 424604), (404, 342626), (652, 212302), (808, 171313), (1051, 131704), (1304, 106151), (2102, 65852), (4204, 32926), (8408, 16463)]