664893310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1\times {\mathrm{2131}}^1$

素因数の和:2940

約数の個数: 32

約数和(自身を含む): 1228185504

約数和(自身を除く): 563292194

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 761, 1522, 2131, 3805, 4262, 7610, 10655, 21310, 31201, 62402, 87371, 156005, 174742, 312010, 436855, 873710, 1621691, 3243382, 8108455, 16216910, 66489331, 132978662, 332446655, 664893310]

約数ペア:

[(1, 664893310), (2, 332446655), (5, 132978662), (10, 66489331), (41, 16216910), (82, 8108455), (205, 3243382), (410, 1621691), (761, 873710), (1522, 436855), (2131, 312010), (3805, 174742), (4262, 156005), (7610, 87371), (10655, 62402), (21310, 31201)]