138647528

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 125736472

約数列:

[1, 2, 4, 8, 79, 158, 316, 431, 509, 632, 862, 1018, 1724, 2036, 3448, 4072, 34049, 40211, 68098, 80422, 136196, 160844, 219379, 272392, 321688, 438758, 877516, 1755032, 17330941, 34661882, 69323764, 138647528]

約数ペア:

[(1, 138647528), (2, 69323764), (4, 34661882), (8, 17330941), (79, 1755032), (158, 877516), (316, 438758), (431, 321688), (509, 272392), (632, 219379), (862, 160844), (1018, 136196), (1724, 80422), (2036, 68098), (3448, 40211), (4072, 34049)]