1280491735

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1283}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 1633001472

約数和(自身を除く): 352509737

約数列:

[1, 5, 31, 47, 137, 155, 235, 685, 1283, 1457, 4247, 6415, 6439, 7285, 21235, 32195, 39773, 60301, 175771, 198865, 199609, 301505, 878855, 998045, 1869331, 5448901, 8261237, 9346655, 27244505, 41306185, 256098347, 1280491735]

約数ペア:

[(1, 1280491735), (5, 256098347), (31, 41306185), (47, 27244505), (137, 9346655), (155, 8261237), (235, 5448901), (685, 1869331), (1283, 998045), (1457, 878855), (4247, 301505), (6415, 199609), (6439, 198865), (7285, 175771), (21235, 60301), (32195, 39773)]