28238365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 36914688

約数和(自身を除く): 8676323

約数列:

[1, 5, 23, 31, 89, 115, 155, 445, 713, 2047, 2759, 3565, 7921, 10235, 13795, 39605, 63457, 182183, 245551, 317285, 910915, 1227755, 5647673, 28238365]

約数ペア:

[(1, 28238365), (5, 5647673), (23, 1227755), (31, 910915), (89, 317285), (115, 245551), (155, 182183), (445, 63457), (713, 39605), (2047, 13795), (2759, 10235), (3565, 7921)]