9890748

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 30492000

約数和(自身を除く): 20601252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 89, 98, 108, 126, 147, 162, 178, 189, 196, 252, 267, 294, 324, 343, 356, 378, 441, 534, 567, 588, 623, 686, 756, 801, 882, 1029, 1068, 1134, 1246, 1323, 1372, 1602, 1764, 1869, 2058, 2268, 2403, 2492, 2646, 3087, 3204, 3738, 3969, 4116, 4361, 4806, 5292, 5607, 6174, 7209, 7476, 7938, 8722, 9261, 9612, 11214, 12348, 13083, 14418, 15876, 16821, 17444, 18522, 22428, 26166, 27783, 28836, 30527, 33642, 37044, 39249, 50463, 52332, 55566, 61054, 67284, 78498, 91581, 100926, 111132, 117747, 122108, 156996, 183162, 201852, 235494, 274743, 353241, 366324, 470988, 549486, 706482, 824229, 1098972, 1412964, 1648458, 2472687, 3296916, 4945374, 9890748]

約数ペア:

[(1, 9890748), (2, 4945374), (3, 3296916), (4, 2472687), (6, 1648458), (7, 1412964), (9, 1098972), (12, 824229), (14, 706482), (18, 549486), (21, 470988), (27, 366324), (28, 353241), (36, 274743), (42, 235494), (49, 201852), (54, 183162), (63, 156996), (81, 122108), (84, 117747), (89, 111132), (98, 100926), (108, 91581), (126, 78498), (147, 67284), (162, 61054), (178, 55566), (189, 52332), (196, 50463), (252, 39249), (267, 37044), (294, 33642), (324, 30527), (343, 28836), (356, 27783), (378, 26166), (441, 22428), (534, 18522), (567, 17444), (588, 16821), (623, 15876), (686, 14418), (756, 13083), (801, 12348), (882, 11214), (1029, 9612), (1068, 9261), (1134, 8722), (1246, 7938), (1323, 7476), (1372, 7209), (1602, 6174), (1764, 5607), (1869, 5292), (2058, 4806), (2268, 4361), (2403, 4116), (2492, 3969), (2646, 3738), (3087, 3204)]