254670338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 444983616

約数和(自身を除く): 190313278

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 361, 494, 559, 631, 722, 817, 1118, 1262, 1634, 4693, 8203, 9386, 10621, 11989, 15523, 16406, 21242, 23978, 27133, 31046, 54266, 155857, 201799, 227791, 311714, 352729, 403598, 455582, 515527, 705458, 1031054, 2961283, 5922566, 6701851, 9795013, 13403702, 19590026, 127335169, 254670338]

約数ペア:

[(1, 254670338), (2, 127335169), (13, 19590026), (19, 13403702), (26, 9795013), (38, 6701851), (43, 5922566), (86, 2961283), (247, 1031054), (361, 705458), (494, 515527), (559, 455582), (631, 403598), (722, 352729), (817, 311714), (1118, 227791), (1262, 201799), (1634, 155857), (4693, 54266), (8203, 31046), (9386, 27133), (10621, 23978), (11989, 21242), (15523, 16406)]