78788464

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{4969}}^1$

素因数の和:5968

約数の個数: 20

約数和(自身を含む): 152837440

約数和(自身を除く): 74048976

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 4969, 7928, 9938, 15856, 19876, 39752, 79504, 4924279, 9848558, 19697116, 39394232, 78788464]

約数ペア:

[(1, 78788464), (2, 39394232), (4, 19697116), (8, 9848558), (16, 4924279), (991, 79504), (1982, 39752), (3964, 19876), (4969, 15856), (7928, 9938)]