13205008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 26823680

約数和(自身を除く): 13618672

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 337, 496, 632, 674, 1264, 1348, 2449, 2696, 4898, 5392, 9796, 10447, 19592, 20894, 26623, 39184, 41788, 53246, 83576, 106492, 167152, 212984, 425968, 825313, 1650626, 3301252, 6602504, 13205008]

約数ペア:

[(1, 13205008), (2, 6602504), (4, 3301252), (8, 1650626), (16, 825313), (31, 425968), (62, 212984), (79, 167152), (124, 106492), (158, 83576), (248, 53246), (316, 41788), (337, 39184), (496, 26623), (632, 20894), (674, 19592), (1264, 10447), (1348, 9796), (2449, 5392), (2696, 4898)]