28427121448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{290761}}^1$

素因数の和:290890

約数の個数: 48

約数和(自身を含む): 59167159380

約数和(自身を除く): 30740037932

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 202, 242, 404, 484, 808, 968, 1111, 2222, 4444, 8888, 12221, 24442, 48884, 97768, 290761, 581522, 1163044, 2326088, 3198371, 6396742, 12793484, 25586968, 29366861, 35182081, 58733722, 70364162, 117467444, 140728324, 234934888, 281456648, 323035471, 646070942, 1292141884, 2584283768, 3553390181, 7106780362, 14213560724, 28427121448]

約数ペア:

[(1, 28427121448), (2, 14213560724), (4, 7106780362), (8, 3553390181), (11, 2584283768), (22, 1292141884), (44, 646070942), (88, 323035471), (101, 281456648), (121, 234934888), (202, 140728324), (242, 117467444), (404, 70364162), (484, 58733722), (808, 35182081), (968, 29366861), (1111, 25586968), (2222, 12793484), (4444, 6396742), (8888, 3198371), (12221, 2326088), (24442, 1163044), (48884, 581522), (97768, 290761)]