77131458

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 172860480

約数和(自身を除く): 95729022

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 179, 222, 333, 358, 537, 647, 666, 1074, 1294, 1611, 1941, 3222, 3882, 5823, 6623, 11646, 13246, 19869, 23939, 39738, 47878, 59607, 71817, 115813, 119214, 143634, 215451, 231626, 347439, 430902, 694878, 1042317, 2084634, 4285081, 8570162, 12855243, 25710486, 38565729, 77131458]

約数ペア:

[(1, 77131458), (2, 38565729), (3, 25710486), (6, 12855243), (9, 8570162), (18, 4285081), (37, 2084634), (74, 1042317), (111, 694878), (179, 430902), (222, 347439), (333, 231626), (358, 215451), (537, 143634), (647, 119214), (666, 115813), (1074, 71817), (1294, 59607), (1611, 47878), (1941, 39738), (3222, 23939), (3882, 19869), (5823, 13246), (6623, 11646)]