1291944498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{20887}}^1$

素因数の和:20979

約数の個数: 48

約数和(自身を含む): 2843942976

約数和(自身を除く): 1551998478

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 338, 366, 507, 793, 1014, 1586, 2379, 4758, 10309, 20618, 20887, 30927, 41774, 61854, 62661, 125322, 271531, 543062, 814593, 1274107, 1629186, 2548214, 3529903, 3822321, 7059806, 7644642, 10589709, 16563391, 21179418, 33126782, 49690173, 99380346, 215324083, 430648166, 645972249, 1291944498]

約数ペア:

[(1, 1291944498), (2, 645972249), (3, 430648166), (6, 215324083), (13, 99380346), (26, 49690173), (39, 33126782), (61, 21179418), (78, 16563391), (122, 10589709), (169, 7644642), (183, 7059806), (338, 3822321), (366, 3529903), (507, 2548214), (793, 1629186), (1014, 1274107), (1586, 814593), (2379, 543062), (4758, 271531), (10309, 125322), (20618, 62661), (20887, 61854), (30927, 41774)]