421744585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 550074240

約数和(自身を除く): 128329655

約数列:

[1, 5, 17, 53, 85, 179, 265, 523, 895, 901, 2615, 3043, 4505, 8891, 9487, 15215, 27719, 44455, 47435, 93617, 138595, 161279, 468085, 471223, 806395, 1591489, 2356115, 4961701, 7957445, 24808505, 84348917, 421744585]

約数ペア:

[(1, 421744585), (5, 84348917), (17, 24808505), (53, 7957445), (85, 4961701), (179, 2356115), (265, 1591489), (523, 806395), (895, 471223), (901, 468085), (2615, 161279), (3043, 138595), (4505, 93617), (8891, 47435), (9487, 44455), (15215, 27719)]