3998021495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97787}}^1$

素因数の和:97859

約数の個数: 32

約数和(自身を含む): 5618507328

約数和(自身を除く): 1620485833

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 8177, 40885, 97787, 488935, 1271231, 1662379, 3618119, 6356155, 8311895, 18090595, 21610927, 47035547, 61508023, 108054635, 235177735, 307540115, 799604299, 3998021495]

約数ペア:

[(1, 3998021495), (5, 799604299), (13, 307540115), (17, 235177735), (37, 108054635), (65, 61508023), (85, 47035547), (185, 21610927), (221, 18090595), (481, 8311895), (629, 6356155), (1105, 3618119), (2405, 1662379), (3145, 1271231), (8177, 488935), (40885, 97787)]