989917055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 1327487616

約数和(自身を除く): 337570561

約数列:

[1, 5, 17, 37, 47, 85, 181, 185, 235, 629, 799, 905, 1369, 1739, 3077, 3145, 3995, 6697, 6845, 8507, 8695, 15385, 23273, 29563, 33485, 42535, 64343, 113849, 116365, 144619, 147815, 247789, 314759, 321715, 569245, 723095, 1093831, 1238945, 1573795, 4212413, 5350903, 5469155, 11646083, 21062065, 26754515, 58230415, 197983411, 989917055]

約数ペア:

[(1, 989917055), (5, 197983411), (17, 58230415), (37, 26754515), (47, 21062065), (85, 11646083), (181, 5469155), (185, 5350903), (235, 4212413), (629, 1573795), (799, 1238945), (905, 1093831), (1369, 723095), (1739, 569245), (3077, 321715), (3145, 314759), (3995, 247789), (6697, 147815), (6845, 144619), (8507, 116365), (8695, 113849), (15385, 64343), (23273, 42535), (29563, 33485)]