28680491346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{748877}}^1$

素因数の和:749386

約数の個数: 32

約数和(自身を含む): 61899259968

約数和(自身を除く): 33218768622

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 982, 1473, 2946, 6383, 12766, 19149, 38298, 748877, 1497754, 2246631, 4493262, 9735401, 19470802, 29206203, 58412406, 367698607, 735397214, 1103095821, 2206191642, 4780081891, 9560163782, 14340245673, 28680491346]

約数ペア:

[(1, 28680491346), (2, 14340245673), (3, 9560163782), (6, 4780081891), (13, 2206191642), (26, 1103095821), (39, 735397214), (78, 367698607), (491, 58412406), (982, 29206203), (1473, 19470802), (2946, 9735401), (6383, 4493262), (12766, 2246631), (19149, 1497754), (38298, 748877)]