67771888

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{53617}}^1$

素因数の和:53704

約数の個数: 20

約数和(自身を含む): 132972640

約数和(自身を除く): 65200752

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 53617, 107234, 214468, 428936, 857872, 4235743, 8471486, 16942972, 33885944, 67771888]

約数ペア:

[(1, 67771888), (2, 33885944), (4, 16942972), (8, 8471486), (16, 4235743), (79, 857872), (158, 428936), (316, 214468), (632, 107234), (1264, 53617)]