64641590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 130999680

約数和(自身を除く): 66358090

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 89, 130, 151, 178, 185, 302, 370, 445, 481, 755, 890, 962, 1157, 1510, 1963, 2314, 2405, 3293, 3926, 4810, 5587, 5785, 6586, 9815, 11174, 11570, 13439, 16465, 19630, 26878, 27935, 32930, 42809, 55870, 67195, 72631, 85618, 134390, 145262, 174707, 214045, 349414, 363155, 428090, 497243, 726310, 873535, 994486, 1747070, 2486215, 4972430, 6464159, 12928318, 32320795, 64641590]

約数ペア:

[(1, 64641590), (2, 32320795), (5, 12928318), (10, 6464159), (13, 4972430), (26, 2486215), (37, 1747070), (65, 994486), (74, 873535), (89, 726310), (130, 497243), (151, 428090), (178, 363155), (185, 349414), (302, 214045), (370, 174707), (445, 145262), (481, 134390), (755, 85618), (890, 72631), (962, 67195), (1157, 55870), (1510, 42809), (1963, 32930), (2314, 27935), (2405, 26878), (3293, 19630), (3926, 16465), (4810, 13439), (5587, 11570), (5785, 11174), (6586, 9815)]