31217904

素因数分解:

$2^4\times 3^2\times {\mathrm{216791}}^1$

素因数の和:216805

約数の個数: 30

約数和(自身を含む): 87367176

約数和(自身を除く): 56149272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 216791, 433582, 650373, 867164, 1300746, 1734328, 1951119, 2601492, 3468656, 3902238, 5202984, 7804476, 10405968, 15608952, 31217904]

約数ペア:

[(1, 31217904), (2, 15608952), (3, 10405968), (4, 7804476), (6, 5202984), (8, 3902238), (9, 3468656), (12, 2601492), (16, 1951119), (18, 1734328), (24, 1300746), (36, 867164), (48, 650373), (72, 433582), (144, 216791)]