15721421135

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{1753}}^1$

素因数の和:1968

約数の個数: 64

約数和(自身を含む): 22671221760

約数和(自身を除く): 6949800625

約数列:

[1, 5, 7, 35, 43, 59, 101, 215, 295, 301, 413, 505, 707, 1505, 1753, 2065, 2537, 3535, 4343, 5959, 8765, 12271, 12685, 17759, 21715, 29795, 30401, 41713, 61355, 75379, 88795, 103427, 152005, 177053, 208565, 256237, 376895, 517135, 527653, 723989, 885265, 1239371, 1281185, 1793659, 2638265, 3619945, 4447361, 6196855, 7613279, 8968295, 10446127, 22236805, 31131527, 38066395, 52230635, 53292953, 73122889, 155657635, 266464765, 365614445, 449183461, 2245917305, 3144284227, 15721421135]

約数ペア:

[(1, 15721421135), (5, 3144284227), (7, 2245917305), (35, 449183461), (43, 365614445), (59, 266464765), (101, 155657635), (215, 73122889), (295, 53292953), (301, 52230635), (413, 38066395), (505, 31131527), (707, 22236805), (1505, 10446127), (1753, 8968295), (2065, 7613279), (2537, 6196855), (3535, 4447361), (4343, 3619945), (5959, 2638265), (8765, 1793659), (12271, 1281185), (12685, 1239371), (17759, 885265), (21715, 723989), (29795, 527653), (30401, 517135), (41713, 376895), (61355, 256237), (75379, 208565), (88795, 177053), (103427, 152005)]