68993290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 128738304

約数和(自身を除く): 59745014

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 457, 487, 914, 974, 2285, 2435, 4570, 4870, 14167, 15097, 28334, 30194, 70835, 75485, 141670, 150970, 222559, 445118, 1112795, 2225590, 6899329, 13798658, 34496645, 68993290]

約数ペア:

[(1, 68993290), (2, 34496645), (5, 13798658), (10, 6899329), (31, 2225590), (62, 1112795), (155, 445118), (310, 222559), (457, 150970), (487, 141670), (914, 75485), (974, 70835), (2285, 30194), (2435, 28334), (4570, 15097), (4870, 14167)]