2981906585

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 4416491520

約数和(自身を除く): 1434584935

約数列:

[1, 5, 7, 29, 31, 35, 97, 145, 155, 203, 217, 485, 679, 899, 977, 1015, 1085, 2813, 3007, 3395, 4495, 4885, 6293, 6839, 14065, 15035, 19691, 21049, 28333, 30287, 31465, 34195, 87203, 94769, 98455, 105245, 141665, 151435, 198331, 212009, 436015, 473845, 610421, 663383, 878323, 991655, 1060045, 2748301, 2937839, 3052105, 3316915, 4391615, 6148261, 13741505, 14689195, 19238107, 20564873, 30741305, 85197331, 96190535, 102824365, 425986655, 596381317, 2981906585]

約数ペア:

[(1, 2981906585), (5, 596381317), (7, 425986655), (29, 102824365), (31, 96190535), (35, 85197331), (97, 30741305), (145, 20564873), (155, 19238107), (203, 14689195), (217, 13741505), (485, 6148261), (679, 4391615), (899, 3316915), (977, 3052105), (1015, 2937839), (1085, 2748301), (2813, 1060045), (3007, 991655), (3395, 878323), (4495, 663383), (4885, 610421), (6293, 473845), (6839, 436015), (14065, 212009), (15035, 198331), (19691, 151435), (21049, 141665), (28333, 105245), (30287, 98455), (31465, 94769), (34195, 87203)]