321063136

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 644692608

約数和(自身を除く): 323629472

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 251, 284, 502, 563, 568, 1004, 1126, 1136, 2008, 2252, 2272, 4016, 4504, 8032, 9008, 17821, 18016, 35642, 39973, 71284, 79946, 141313, 142568, 159892, 282626, 285136, 319784, 565252, 570272, 639568, 1130504, 1279136, 2261008, 4522016, 10033223, 20066446, 40132892, 80265784, 160531568, 321063136]

約数ペア:

[(1, 321063136), (2, 160531568), (4, 80265784), (8, 40132892), (16, 20066446), (32, 10033223), (71, 4522016), (142, 2261008), (251, 1279136), (284, 1130504), (502, 639568), (563, 570272), (568, 565252), (1004, 319784), (1126, 285136), (1136, 282626), (2008, 159892), (2252, 142568), (2272, 141313), (4016, 79946), (4504, 71284), (8032, 39973), (9008, 35642), (17821, 18016)]