129865424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{971}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 271670112

約数和(自身を除く): 141804688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 643, 971, 1286, 1942, 2572, 3884, 5144, 7768, 8359, 10288, 12623, 15536, 16718, 25246, 33436, 50492, 66872, 100984, 133744, 201968, 624353, 1248706, 2497412, 4994824, 8116589, 9989648, 16233178, 32466356, 64932712, 129865424]

約数ペア:

[(1, 129865424), (2, 64932712), (4, 32466356), (8, 16233178), (13, 9989648), (16, 8116589), (26, 4994824), (52, 2497412), (104, 1248706), (208, 624353), (643, 201968), (971, 133744), (1286, 100984), (1942, 66872), (2572, 50492), (3884, 33436), (5144, 25246), (7768, 16718), (8359, 15536), (10288, 12623)]