978856528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{12823}}^1$

素因数の和:13211

約数の個数: 40

約数和(自身を含む): 2048146688

約数和(自身を除く): 1069290160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 367, 734, 1468, 2936, 4771, 5872, 9542, 12823, 19084, 25646, 38168, 51292, 76336, 102584, 166699, 205168, 333398, 666796, 1333592, 2667184, 4706041, 9412082, 18824164, 37648328, 61178533, 75296656, 122357066, 244714132, 489428264, 978856528]

約数ペア:

[(1, 978856528), (2, 489428264), (4, 244714132), (8, 122357066), (13, 75296656), (16, 61178533), (26, 37648328), (52, 18824164), (104, 9412082), (208, 4706041), (367, 2667184), (734, 1333592), (1468, 666796), (2936, 333398), (4771, 205168), (5872, 166699), (9542, 102584), (12823, 76336), (19084, 51292), (25646, 38168)]