720466448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{4271}}^1$

素因数の和:5103

約数の個数: 40

約数和(自身を含む): 1505486976

約数和(自身を除く): 785020528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 811, 1622, 3244, 4271, 6488, 8542, 10543, 12976, 17084, 21086, 34168, 42172, 55523, 68336, 84344, 111046, 168688, 222092, 444184, 888368, 3463781, 6927562, 13855124, 27710248, 45029153, 55420496, 90058306, 180116612, 360233224, 720466448]

約数ペア:

[(1, 720466448), (2, 360233224), (4, 180116612), (8, 90058306), (13, 55420496), (16, 45029153), (26, 27710248), (52, 13855124), (104, 6927562), (208, 3463781), (811, 888368), (1622, 444184), (3244, 222092), (4271, 168688), (6488, 111046), (8542, 84344), (10543, 68336), (12976, 55523), (17084, 42172), (21086, 34168)]