127968155

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 193536000

約数和(自身を除く): 65567845

約数列:

[1, 5, 7, 29, 31, 35, 49, 83, 145, 155, 203, 217, 245, 343, 415, 581, 899, 1015, 1085, 1421, 1519, 1715, 2407, 2573, 2905, 4067, 4495, 6293, 7105, 7595, 9947, 10633, 12035, 12865, 16849, 18011, 20335, 28469, 31465, 44051, 49735, 53165, 74617, 84245, 90055, 117943, 126077, 142345, 220255, 308357, 373085, 522319, 589715, 630385, 825601, 882539, 1541785, 2611595, 3656233, 4128005, 4412695, 18281165, 25593631, 127968155]

約数ペア:

[(1, 127968155), (5, 25593631), (7, 18281165), (29, 4412695), (31, 4128005), (35, 3656233), (49, 2611595), (83, 1541785), (145, 882539), (155, 825601), (203, 630385), (217, 589715), (245, 522319), (343, 373085), (415, 308357), (581, 220255), (899, 142345), (1015, 126077), (1085, 117943), (1421, 90055), (1519, 84245), (1715, 74617), (2407, 53165), (2573, 49735), (2905, 44051), (4067, 31465), (4495, 28469), (6293, 20335), (7105, 18011), (7595, 16849), (9947, 12865), (10633, 12035)]