121989712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18919}}^1$

素因数の和:18971

約数の個数: 40

約数和(自身を含む): 262760960

約数和(自身を除く): 140771248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 18919, 37838, 75676, 151352, 245947, 302704, 491894, 586489, 983788, 1172978, 1967576, 2345956, 3935152, 4691912, 7624357, 9383824, 15248714, 30497428, 60994856, 121989712]

約数ペア:

[(1, 121989712), (2, 60994856), (4, 30497428), (8, 15248714), (13, 9383824), (16, 7624357), (26, 4691912), (31, 3935152), (52, 2345956), (62, 1967576), (104, 1172978), (124, 983788), (208, 586489), (248, 491894), (403, 302704), (496, 245947), (806, 151352), (1612, 75676), (3224, 37838), (6448, 18919)]