81199904

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{68581}}^1$

素因数の和:68628

約数の個数: 24

約数和(自身を含む): 164185308

約数和(自身を除く): 82985404

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 68581, 137162, 274324, 548648, 1097296, 2194592, 2537497, 5074994, 10149988, 20299976, 40599952, 81199904]

約数ペア:

[(1, 81199904), (2, 40599952), (4, 20299976), (8, 10149988), (16, 5074994), (32, 2537497), (37, 2194592), (74, 1097296), (148, 548648), (296, 274324), (592, 137162), (1184, 68581)]