28945904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 60725280

約数和(自身を除く): 31779376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 439, 634, 878, 1268, 1756, 2536, 3512, 4121, 5072, 5707, 7024, 8242, 11414, 16484, 22828, 32968, 45656, 65936, 91312, 139163, 278326, 556652, 1113304, 1809119, 2226608, 3618238, 7236476, 14472952, 28945904]

約数ペア:

[(1, 28945904), (2, 14472952), (4, 7236476), (8, 3618238), (13, 2226608), (16, 1809119), (26, 1113304), (52, 556652), (104, 278326), (208, 139163), (317, 91312), (439, 65936), (634, 45656), (878, 32968), (1268, 22828), (1756, 16484), (2536, 11414), (3512, 8242), (4121, 7024), (5072, 5707)]