289311652

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{541}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 590042880

約数和(自身を除く): 300731228

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 269, 284, 497, 538, 541, 994, 1076, 1082, 1883, 1988, 2164, 3766, 3787, 7532, 7574, 15148, 19099, 38198, 38411, 76396, 76822, 133693, 145529, 153644, 267386, 268877, 291058, 534772, 537754, 582116, 1018703, 1075508, 2037406, 4074812, 10332559, 20665118, 41330236, 72327913, 144655826, 289311652]

約数ペア:

[(1, 289311652), (2, 144655826), (4, 72327913), (7, 41330236), (14, 20665118), (28, 10332559), (71, 4074812), (142, 2037406), (269, 1075508), (284, 1018703), (497, 582116), (538, 537754), (541, 534772), (994, 291058), (1076, 268877), (1082, 267386), (1883, 153644), (1988, 145529), (2164, 133693), (3766, 76822), (3787, 76396), (7532, 38411), (7574, 38198), (15148, 19099)]