81703648

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10337}}^1$

素因数の和:10379

約数の個数: 48

約数和(自身を含む): 182362320

約数和(自身を除く): 100658672

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 10337, 20674, 41348, 82696, 134381, 165392, 196403, 268762, 330784, 392806, 537524, 785612, 1075048, 1571224, 2150096, 2553239, 3142448, 4300192, 5106478, 6284896, 10212956, 20425912, 40851824, 81703648]

約数ペア:

[(1, 81703648), (2, 40851824), (4, 20425912), (8, 10212956), (13, 6284896), (16, 5106478), (19, 4300192), (26, 3142448), (32, 2553239), (38, 2150096), (52, 1571224), (76, 1075048), (104, 785612), (152, 537524), (208, 392806), (247, 330784), (304, 268762), (416, 196403), (494, 165392), (608, 134381), (988, 82696), (1976, 41348), (3952, 20674), (7904, 10337)]