3998995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 6967296

約数和(自身を除く): 2968301

約数列:

[1, 5, 7, 11, 13, 17, 35, 47, 55, 65, 77, 85, 91, 119, 143, 187, 221, 235, 329, 385, 455, 517, 595, 611, 715, 799, 935, 1001, 1105, 1309, 1547, 1645, 2431, 2585, 3055, 3619, 3995, 4277, 5005, 5593, 6545, 6721, 7735, 8789, 10387, 12155, 17017, 18095, 21385, 27965, 33605, 43945, 47047, 51935, 61523, 72709, 85085, 114257, 235235, 307615, 363545, 571285, 799799, 3998995]

約数ペア:

[(1, 3998995), (5, 799799), (7, 571285), (11, 363545), (13, 307615), (17, 235235), (35, 114257), (47, 85085), (55, 72709), (65, 61523), (77, 51935), (85, 47047), (91, 43945), (119, 33605), (143, 27965), (187, 21385), (221, 18095), (235, 17017), (329, 12155), (385, 10387), (455, 8789), (517, 7735), (595, 6721), (611, 6545), (715, 5593), (799, 5005), (935, 4277), (1001, 3995), (1105, 3619), (1309, 3055), (1547, 2585), (1645, 2431)]