81400358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4391}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 141668352

約数和(自身を除く): 60267994

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 4391, 8782, 9269, 18538, 57083, 100993, 114166, 136121, 201986, 272242, 1312909, 1769573, 2625818, 3130783, 3539146, 6261566, 40700179, 81400358]

約数ペア:

[(1, 81400358), (2, 40700179), (13, 6261566), (23, 3539146), (26, 3130783), (31, 2625818), (46, 1769573), (62, 1312909), (299, 272242), (403, 201986), (598, 136121), (713, 114166), (806, 100993), (1426, 57083), (4391, 18538), (8782, 9269)]