31221648

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1552

約数の個数: 60

約数和(自身を含む): 87997468

約数和(自身を除く): 56775820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 942, 1256, 1381, 1413, 1884, 2512, 2762, 2826, 3768, 4143, 5524, 5652, 7536, 8286, 11048, 11304, 12429, 16572, 22096, 22608, 24858, 33144, 49716, 66288, 99432, 198864, 216817, 433634, 650451, 867268, 1300902, 1734536, 1951353, 2601804, 3469072, 3902706, 5203608, 7805412, 10407216, 15610824, 31221648]

約数ペア:

[(1, 31221648), (2, 15610824), (3, 10407216), (4, 7805412), (6, 5203608), (8, 3902706), (9, 3469072), (12, 2601804), (16, 1951353), (18, 1734536), (24, 1300902), (36, 867268), (48, 650451), (72, 433634), (144, 216817), (157, 198864), (314, 99432), (471, 66288), (628, 49716), (942, 33144), (1256, 24858), (1381, 22608), (1413, 22096), (1884, 16572), (2512, 12429), (2762, 11304), (2826, 11048), (3768, 8286), (4143, 7536), (5524, 5652)]