220053988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{64951}}^1$

素因数の和:64984

約数の個数: 36

約数和(自身を含む): 483762496

約数和(自身を除く): 263708508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 64951, 129902, 259804, 454657, 714461, 909314, 1428922, 1818628, 2857844, 5001227, 7859071, 10002454, 15718142, 20004908, 31436284, 55013497, 110026994, 220053988]

約数ペア:

[(1, 220053988), (2, 110026994), (4, 55013497), (7, 31436284), (11, 20004908), (14, 15718142), (22, 10002454), (28, 7859071), (44, 5001227), (77, 2857844), (121, 1818628), (154, 1428922), (242, 909314), (308, 714461), (484, 454657), (847, 259804), (1694, 129902), (3388, 64951)]