39489905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 58732800

約数和(自身を除く): 19242895

約数列:

[1, 5, 7, 13, 35, 65, 91, 229, 379, 455, 1145, 1603, 1895, 2653, 2977, 4927, 8015, 13265, 14885, 20839, 24635, 34489, 86791, 104195, 172445, 433955, 607537, 1128283, 3037685, 5641415, 7897981, 39489905]

約数ペア:

[(1, 39489905), (5, 7897981), (7, 5641415), (13, 3037685), (35, 1128283), (65, 607537), (91, 433955), (229, 172445), (379, 104195), (455, 86791), (1145, 34489), (1603, 24635), (1895, 20839), (2653, 14885), (2977, 13265), (4927, 8015)]