209403828

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{65357}}^1$

素因数の和:65456

約数の個数: 36

約数和(自身を含む): 535282020

約数和(自身を除く): 325878192

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 65357, 130714, 196071, 261428, 392142, 588213, 784284, 1176426, 2352852, 5816773, 11633546, 17450319, 23267092, 34900638, 52350957, 69801276, 104701914, 209403828]

約数ペア:

[(1, 209403828), (2, 104701914), (3, 69801276), (4, 52350957), (6, 34900638), (9, 23267092), (12, 17450319), (18, 11633546), (36, 5816773), (89, 2352852), (178, 1176426), (267, 784284), (356, 588213), (534, 392142), (801, 261428), (1068, 196071), (1602, 130714), (3204, 65357)]