28760888915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 40512337920

約数和(自身を除く): 11751449005

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 395, 401, 869, 935, 971, 1343, 2005, 4345, 4411, 4855, 6715, 6817, 10681, 14773, 16507, 22055, 31679, 34085, 53405, 73865, 74987, 76709, 82535, 158395, 181577, 348469, 374935, 383545, 389371, 538543, 843799, 907885, 1304053, 1742345, 1946855, 2692715, 4218995, 4283081, 5923973, 6520265, 6619307, 14344583, 21415405, 29619865, 30760309, 33096535, 71722915, 72812377, 153801545, 338363399, 364061885, 522925253, 1691816995, 2614626265, 5752177783, 28760888915]

約数ペア:

[(1, 28760888915), (5, 5752177783), (11, 2614626265), (17, 1691816995), (55, 522925253), (79, 364061885), (85, 338363399), (187, 153801545), (395, 72812377), (401, 71722915), (869, 33096535), (935, 30760309), (971, 29619865), (1343, 21415405), (2005, 14344583), (4345, 6619307), (4411, 6520265), (4855, 5923973), (6715, 4283081), (6817, 4218995), (10681, 2692715), (14773, 1946855), (16507, 1742345), (22055, 1304053), (31679, 907885), (34085, 843799), (53405, 538543), (73865, 389371), (74987, 383545), (76709, 374935), (82535, 348469), (158395, 181577)]