8213645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 11556864

約数和(自身を除く): 3343219

約数列:

[1, 5, 11, 23, 43, 55, 115, 151, 215, 253, 473, 755, 989, 1265, 1661, 2365, 3473, 4945, 6493, 8305, 10879, 17365, 32465, 38203, 54395, 71423, 149339, 191015, 357115, 746695, 1642729, 8213645]

約数ペア:

[(1, 8213645), (5, 1642729), (11, 746695), (23, 357115), (43, 191015), (55, 149339), (115, 71423), (151, 54395), (215, 38203), (253, 32465), (473, 17365), (755, 10879), (989, 8305), (1265, 6493), (1661, 4945), (2365, 3473)]