409040038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4140

約数の個数: 32

約数和(自身を含む): 689472000

約数和(自身を除く): 280431962

約数列:

[1, 2, 11, 22, 59, 79, 118, 158, 649, 869, 1298, 1738, 3989, 4661, 7978, 9322, 43879, 51271, 87758, 102542, 235351, 315131, 470702, 630262, 2588861, 3466441, 5177722, 6932882, 18592729, 37185458, 204520019, 409040038]

約数ペア:

[(1, 409040038), (2, 204520019), (11, 37185458), (22, 18592729), (59, 6932882), (79, 5177722), (118, 3466441), (158, 2588861), (649, 630262), (869, 470702), (1298, 315131), (1738, 235351), (3989, 102542), (4661, 87758), (7978, 51271), (9322, 43879)]