90821988

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{16069}}^1$

素因数の和:16236

約数の個数: 36

約数和(自身を含む): 231054460

約数和(自身を除く): 140232472

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 16069, 32138, 48207, 64276, 96414, 144621, 192828, 289242, 578484, 2522833, 5045666, 7568499, 10091332, 15136998, 22705497, 30273996, 45410994, 90821988]

約数ペア:

[(1, 90821988), (2, 45410994), (3, 30273996), (4, 22705497), (6, 15136998), (9, 10091332), (12, 7568499), (18, 5045666), (36, 2522833), (157, 578484), (314, 289242), (471, 192828), (628, 144621), (942, 96414), (1413, 64276), (1884, 48207), (2826, 32138), (5652, 16069)]