28137193

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 7666967

約数列:

[1, 7, 17, 41, 73, 79, 119, 287, 511, 553, 697, 1241, 1343, 2993, 3239, 4879, 5767, 8687, 9401, 20951, 22673, 40369, 50881, 55063, 98039, 236447, 356167, 385441, 686273, 1655129, 4019599, 28137193]

約数ペア:

[(1, 28137193), (7, 4019599), (17, 1655129), (41, 686273), (73, 385441), (79, 356167), (119, 236447), (287, 98039), (511, 55063), (553, 50881), (697, 40369), (1241, 22673), (1343, 20951), (2993, 9401), (3239, 8687), (4879, 5767)]