318156968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21031}}^1$

素因数の和:21129

約数の個数: 32

約数和(自身を含む): 625912320

約数和(自身を除く): 307755352

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 3782, 7564, 15128, 21031, 42062, 84124, 168248, 651961, 1282891, 1303922, 2565782, 2607844, 5131564, 5215688, 10263128, 39769621, 79539242, 159078484, 318156968]

約数ペア:

[(1, 318156968), (2, 159078484), (4, 79539242), (8, 39769621), (31, 10263128), (61, 5215688), (62, 5131564), (122, 2607844), (124, 2565782), (244, 1303922), (248, 1282891), (488, 651961), (1891, 168248), (3782, 84124), (7564, 42062), (15128, 21031)]