399101906

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3911}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 706413312

約数和(自身を除く): 307311406

約数列:

[1, 2, 7, 14, 37, 74, 197, 259, 394, 518, 1379, 2758, 3911, 7289, 7822, 14578, 27377, 51023, 54754, 102046, 144707, 289414, 770467, 1012949, 1540934, 2025898, 5393269, 10786538, 28507279, 57014558, 199550953, 399101906]

約数ペア:

[(1, 399101906), (2, 199550953), (7, 57014558), (14, 28507279), (37, 10786538), (74, 5393269), (197, 2025898), (259, 1540934), (394, 1012949), (518, 770467), (1379, 289414), (2758, 144707), (3911, 102046), (7289, 54754), (7822, 51023), (14578, 27377)]