81295376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267419}}^1$

素因数の和:267446

約数の個数: 20

約数和(自身を含む): 165800400

約数和(自身を除く): 84505024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267419, 534838, 1069676, 2139352, 4278704, 5080961, 10161922, 20323844, 40647688, 81295376]

約数ペア:

[(1, 81295376), (2, 40647688), (4, 20323844), (8, 10161922), (16, 5080961), (19, 4278704), (38, 2139352), (76, 1069676), (152, 534838), (304, 267419)]