4049995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 5598720

約数和(自身を除く): 1548725

約数列:

[1, 5, 17, 29, 31, 53, 85, 145, 155, 265, 493, 527, 899, 901, 1537, 1643, 2465, 2635, 4495, 4505, 7685, 8215, 15283, 26129, 27931, 47647, 76415, 130645, 139655, 238235, 809999, 4049995]

約数ペア:

[(1, 4049995), (5, 809999), (17, 238235), (29, 139655), (31, 130645), (53, 76415), (85, 47647), (145, 27931), (155, 26129), (265, 15283), (493, 8215), (527, 7685), (899, 4505), (901, 4495), (1537, 2635), (1643, 2465)]