391098128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1567}}^1$

素因数の和:2415

約数の個数: 40

約数和(自身を含む): 799115520

約数和(自身を除く): 408017392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 821, 1567, 1642, 3134, 3284, 6268, 6568, 12536, 13136, 15599, 25072, 29773, 31198, 59546, 62396, 119092, 124792, 238184, 249584, 476368, 1286507, 2573014, 5146028, 10292056, 20584112, 24443633, 48887266, 97774532, 195549064, 391098128]

約数ペア:

[(1, 391098128), (2, 195549064), (4, 97774532), (8, 48887266), (16, 24443633), (19, 20584112), (38, 10292056), (76, 5146028), (152, 2573014), (304, 1286507), (821, 476368), (1567, 249584), (1642, 238184), (3134, 124792), (3284, 119092), (6268, 62396), (6568, 59546), (12536, 31198), (13136, 29773), (15599, 25072)]