61651490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 113002560

約数和(自身を除く): 51351070

約数列:

[1, 2, 5, 10, 109, 163, 218, 326, 347, 545, 694, 815, 1090, 1630, 1735, 3470, 17767, 35534, 37823, 56561, 75646, 88835, 113122, 177670, 189115, 282805, 378230, 565610, 6165149, 12330298, 30825745, 61651490]

約数ペア:

[(1, 61651490), (2, 30825745), (5, 12330298), (10, 6165149), (109, 565610), (163, 378230), (218, 282805), (326, 189115), (347, 177670), (545, 113122), (694, 88835), (815, 75646), (1090, 56561), (1630, 37823), (1735, 35534), (3470, 17767)]