78851888

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{4973}}^1$

素因数の和:5972

約数の個数: 20

約数和(自身を含む): 152960448

約数和(自身を除く): 74108560

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 4973, 7928, 9946, 15856, 19892, 39784, 79568, 4928243, 9856486, 19712972, 39425944, 78851888]

約数ペア:

[(1, 78851888), (2, 39425944), (4, 19712972), (8, 9856486), (16, 4928243), (991, 79568), (1982, 39784), (3964, 19892), (4973, 15856), (7928, 9946)]