2651567408

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{639857}}^1$

素因数の和:639909

約数の個数: 40

約数和(自身を含む): 6030021792

約数和(自身を除く): 3378454384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 639857, 1279714, 2559428, 4478999, 5118856, 8957998, 10237712, 17915996, 23674709, 35831992, 47349418, 71663984, 94698836, 165722963, 189397672, 331445926, 378795344, 662891852, 1325783704, 2651567408]

約数ペア:

[(1, 2651567408), (2, 1325783704), (4, 662891852), (7, 378795344), (8, 331445926), (14, 189397672), (16, 165722963), (28, 94698836), (37, 71663984), (56, 47349418), (74, 35831992), (112, 23674709), (148, 17915996), (259, 10237712), (296, 8957998), (518, 5118856), (592, 4478999), (1036, 2559428), (2072, 1279714), (4144, 639857)]