28308868

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 58261980

約数和(自身を除く): 29953112

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1358, 1489, 2716, 2978, 4753, 5956, 9506, 10423, 19012, 20846, 41692, 72961, 144433, 145922, 288866, 291844, 577732, 1011031, 2022062, 4044124, 7077217, 14154434, 28308868]

約数ペア:

[(1, 28308868), (2, 14154434), (4, 7077217), (7, 4044124), (14, 2022062), (28, 1011031), (49, 577732), (97, 291844), (98, 288866), (194, 145922), (196, 144433), (388, 72961), (679, 41692), (1358, 20846), (1489, 19012), (2716, 10423), (2978, 9506), (4753, 5956)]