72021628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 152454400

約数和(自身を除く): 80432772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 331, 409, 532, 662, 818, 1324, 1636, 2317, 2863, 4634, 5726, 6289, 7771, 9268, 11452, 12578, 15542, 25156, 31084, 44023, 54397, 88046, 108794, 135379, 176092, 217588, 270758, 541516, 947653, 1895306, 2572201, 3790612, 5144402, 10288804, 18005407, 36010814, 72021628]

約数ペア:

[(1, 72021628), (2, 36010814), (4, 18005407), (7, 10288804), (14, 5144402), (19, 3790612), (28, 2572201), (38, 1895306), (76, 947653), (133, 541516), (266, 270758), (331, 217588), (409, 176092), (532, 135379), (662, 108794), (818, 88046), (1324, 54397), (1636, 44023), (2317, 31084), (2863, 25156), (4634, 15542), (5726, 12578), (6289, 11452), (7771, 9268)]