816219305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 1106362368

約数和(自身を除く): 290143063

約数列:

[1, 5, 11, 31, 55, 155, 341, 487, 983, 1705, 2435, 4915, 5357, 10813, 15097, 26785, 30473, 54065, 75485, 152365, 166067, 335203, 478721, 830335, 1676015, 2393605, 5265931, 14840351, 26329655, 74201755, 163243861, 816219305]

約数ペア:

[(1, 816219305), (5, 163243861), (11, 74201755), (31, 26329655), (55, 14840351), (155, 5265931), (341, 2393605), (487, 1676015), (983, 830335), (1705, 478721), (2435, 335203), (4915, 166067), (5357, 152365), (10813, 75485), (15097, 54065), (26785, 30473)]