31780072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4409}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 64297800

約数和(自身を除く): 32517728

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 4409, 7208, 8818, 17636, 35272, 74953, 149906, 233677, 299812, 467354, 599624, 934708, 1869416, 3972509, 7945018, 15890036, 31780072]

約数ペア:

[(1, 31780072), (2, 15890036), (4, 7945018), (8, 3972509), (17, 1869416), (34, 934708), (53, 599624), (68, 467354), (106, 299812), (136, 233677), (212, 149906), (424, 74953), (901, 35272), (1802, 17636), (3604, 8818), (4409, 7208)]