219953678

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{6961}}^1$

素因数の和:7068

約数の個数: 32

約数和(自身を含む): 393659328

約数和(自身を除く): 173705650

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 854, 2257, 4514, 6961, 13922, 15799, 31598, 48727, 97454, 257557, 424621, 515114, 849242, 1802899, 2972347, 3605798, 5944694, 15710977, 31421954, 109976839, 219953678]

約数ペア:

[(1, 219953678), (2, 109976839), (7, 31421954), (14, 15710977), (37, 5944694), (61, 3605798), (74, 2972347), (122, 1802899), (259, 849242), (427, 515114), (518, 424621), (854, 257557), (2257, 97454), (4514, 48727), (6961, 31598), (13922, 15799)]