28552890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41381}}^1$

素因数の和:41414

約数の個数: 32

約数和(自身を含む): 71508096

約数和(自身を除く): 42955206

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 41381, 82762, 124143, 206905, 248286, 413810, 620715, 951763, 1241430, 1903526, 2855289, 4758815, 5710578, 9517630, 14276445, 28552890]

約数ペア:

[(1, 28552890), (2, 14276445), (3, 9517630), (5, 5710578), (6, 4758815), (10, 2855289), (15, 1903526), (23, 1241430), (30, 951763), (46, 620715), (69, 413810), (115, 248286), (138, 206905), (230, 124143), (345, 82762), (690, 41381)]