77187728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{253907}}^1$

素因数の和:253934

約数の個数: 20

約数和(自身を含む): 157422960

約数和(自身を除く): 80235232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 253907, 507814, 1015628, 2031256, 4062512, 4824233, 9648466, 19296932, 38593864, 77187728]

約数ペア:

[(1, 77187728), (2, 38593864), (4, 19296932), (8, 9648466), (16, 4824233), (19, 4062512), (38, 2031256), (76, 1015628), (152, 507814), (304, 253907)]