80639818

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 141834240

約数和(自身を除く): 61194422

約数列:

[1, 2, 7, 14, 53, 106, 191, 371, 382, 569, 742, 1138, 1337, 2674, 3983, 7966, 10123, 20246, 30157, 60314, 70861, 108679, 141722, 211099, 217358, 422198, 760753, 1521506, 5759987, 11519974, 40319909, 80639818]

約数ペア:

[(1, 80639818), (2, 40319909), (7, 11519974), (14, 5759987), (53, 1521506), (106, 760753), (191, 422198), (371, 217358), (382, 211099), (569, 141722), (742, 108679), (1138, 70861), (1337, 60314), (2674, 30157), (3983, 20246), (7966, 10123)]