66562210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 142611840

約数和(自身を除く): 76049630

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 130, 143, 178, 286, 445, 523, 715, 890, 979, 1046, 1157, 1430, 1958, 2314, 2615, 4895, 5230, 5753, 5785, 6799, 9790, 11506, 11570, 12727, 13598, 25454, 28765, 33995, 46547, 57530, 63635, 67990, 74789, 93094, 127270, 149578, 232735, 373945, 465470, 512017, 605111, 747890, 1024034, 1210222, 2560085, 3025555, 5120170, 6051110, 6656221, 13312442, 33281105, 66562210]

約数ペア:

[(1, 66562210), (2, 33281105), (5, 13312442), (10, 6656221), (11, 6051110), (13, 5120170), (22, 3025555), (26, 2560085), (55, 1210222), (65, 1024034), (89, 747890), (110, 605111), (130, 512017), (143, 465470), (178, 373945), (286, 232735), (445, 149578), (523, 127270), (715, 93094), (890, 74789), (979, 67990), (1046, 63635), (1157, 57530), (1430, 46547), (1958, 33995), (2314, 28765), (2615, 25454), (4895, 13598), (5230, 12727), (5753, 11570), (5785, 11506), (6799, 9790)]