1389521784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{8270963}}^1$

素因数の和:8270979

約数の個数: 32

約数和(自身を含む): 3970062720

約数和(自身を除く): 2580540936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 8270963, 16541926, 24812889, 33083852, 49625778, 57896741, 66167704, 99251556, 115793482, 173690223, 198503112, 231586964, 347380446, 463173928, 694760892, 1389521784]

約数ペア:

[(1, 1389521784), (2, 694760892), (3, 463173928), (4, 347380446), (6, 231586964), (7, 198503112), (8, 173690223), (12, 115793482), (14, 99251556), (21, 66167704), (24, 57896741), (28, 49625778), (42, 33083852), (56, 24812889), (84, 16541926), (168, 8270963)]