16631355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 14939205

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 51, 65, 85, 87, 145, 173, 195, 221, 255, 377, 435, 493, 519, 663, 865, 1105, 1131, 1479, 1885, 2249, 2465, 2595, 2941, 3315, 5017, 5655, 6409, 6747, 7395, 8823, 11245, 14705, 15051, 19227, 25085, 32045, 33735, 38233, 44115, 65221, 75255, 85289, 96135, 114699, 191165, 195663, 255867, 326105, 426445, 573495, 978315, 1108757, 1279335, 3326271, 5543785, 16631355]

約数ペア:

[(1, 16631355), (3, 5543785), (5, 3326271), (13, 1279335), (15, 1108757), (17, 978315), (29, 573495), (39, 426445), (51, 326105), (65, 255867), (85, 195663), (87, 191165), (145, 114699), (173, 96135), (195, 85289), (221, 75255), (255, 65221), (377, 44115), (435, 38233), (493, 33735), (519, 32045), (663, 25085), (865, 19227), (1105, 15051), (1131, 14705), (1479, 11245), (1885, 8823), (2249, 7395), (2465, 6747), (2595, 6409), (2941, 5655), (3315, 5017)]