28007056

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 68567040

約数和(自身を除く): 40559984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 127, 154, 176, 179, 254, 308, 358, 508, 616, 716, 889, 1016, 1232, 1253, 1397, 1432, 1778, 1969, 2032, 2506, 2794, 2864, 3556, 3938, 5012, 5588, 7112, 7876, 9779, 10024, 11176, 13783, 14224, 15752, 19558, 20048, 22352, 22733, 27566, 31504, 39116, 45466, 55132, 78232, 90932, 110264, 156464, 159131, 181864, 220528, 250063, 318262, 363728, 500126, 636524, 1000252, 1273048, 1750441, 2000504, 2546096, 3500882, 4001008, 7001764, 14003528, 28007056]

約数ペア:

[(1, 28007056), (2, 14003528), (4, 7001764), (7, 4001008), (8, 3500882), (11, 2546096), (14, 2000504), (16, 1750441), (22, 1273048), (28, 1000252), (44, 636524), (56, 500126), (77, 363728), (88, 318262), (112, 250063), (127, 220528), (154, 181864), (176, 159131), (179, 156464), (254, 110264), (308, 90932), (358, 78232), (508, 55132), (616, 45466), (716, 39116), (889, 31504), (1016, 27566), (1232, 22733), (1253, 22352), (1397, 20048), (1432, 19558), (1778, 15752), (1969, 14224), (2032, 13783), (2506, 11176), (2794, 10024), (2864, 9779), (3556, 7876), (3938, 7112), (5012, 5588)]