28097966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 19511890

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 491, 806, 923, 982, 1846, 2201, 4402, 6383, 12766, 15221, 28613, 30442, 34861, 57226, 69722, 197873, 395746, 453193, 906386, 1080691, 2161382, 14048983, 28097966]

約数ペア:

[(1, 28097966), (2, 14048983), (13, 2161382), (26, 1080691), (31, 906386), (62, 453193), (71, 395746), (142, 197873), (403, 69722), (491, 57226), (806, 34861), (923, 30442), (982, 28613), (1846, 15221), (2201, 12766), (4402, 6383)]