16481465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 11097415

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 89, 91, 143, 185, 259, 385, 407, 445, 455, 481, 623, 715, 979, 1001, 1157, 1295, 2035, 2405, 2849, 3115, 3293, 3367, 4895, 5005, 5291, 5785, 6853, 8099, 12727, 14245, 16465, 16835, 23051, 26455, 34265, 36223, 37037, 40495, 42809, 63635, 89089, 115255, 181115, 185185, 214045, 253561, 299663, 445445, 470899, 1267805, 1498315, 2354495, 3296293, 16481465]

約数ペア:

[(1, 16481465), (5, 3296293), (7, 2354495), (11, 1498315), (13, 1267805), (35, 470899), (37, 445445), (55, 299663), (65, 253561), (77, 214045), (89, 185185), (91, 181115), (143, 115255), (185, 89089), (259, 63635), (385, 42809), (407, 40495), (445, 37037), (455, 36223), (481, 34265), (623, 26455), (715, 23051), (979, 16835), (1001, 16465), (1157, 14245), (1295, 12727), (2035, 8099), (2405, 6853), (2849, 5785), (3115, 5291), (3293, 5005), (3367, 4895)]