289042264

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{997}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 643829760

約数和(自身を除く): 354787496

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 167, 217, 248, 334, 434, 668, 868, 997, 1169, 1336, 1736, 1994, 2338, 3988, 4676, 5177, 6979, 7976, 9352, 10354, 13958, 20708, 27916, 30907, 36239, 41416, 55832, 61814, 72478, 123628, 144956, 166499, 216349, 247256, 289912, 332998, 432698, 665996, 865396, 1165493, 1331992, 1730792, 2330986, 4661972, 5161469, 9323944, 10322938, 20645876, 36130283, 41291752, 72260566, 144521132, 289042264]

約数ペア:

[(1, 289042264), (2, 144521132), (4, 72260566), (7, 41291752), (8, 36130283), (14, 20645876), (28, 10322938), (31, 9323944), (56, 5161469), (62, 4661972), (124, 2330986), (167, 1730792), (217, 1331992), (248, 1165493), (334, 865396), (434, 665996), (668, 432698), (868, 332998), (997, 289912), (1169, 247256), (1336, 216349), (1736, 166499), (1994, 144956), (2338, 123628), (3988, 72478), (4676, 61814), (5177, 55832), (6979, 41416), (7976, 36239), (9352, 30907), (10354, 27916), (13958, 20708)]