221436712

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{106871}}^1$

素因数の和:106921

約数の個数: 32

約数和(自身を含む): 487336320

約数和(自身を除く): 265899608

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 106871, 213742, 427484, 748097, 854968, 1496194, 2992388, 3954227, 5984776, 7908454, 15816908, 27679589, 31633816, 55359178, 110718356, 221436712]

約数ペア:

[(1, 221436712), (2, 110718356), (4, 55359178), (7, 31633816), (8, 27679589), (14, 15816908), (28, 7908454), (37, 5984776), (56, 3954227), (74, 2992388), (148, 1496194), (259, 854968), (296, 748097), (518, 427484), (1036, 213742), (2072, 106871)]