129481079

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 42120841

約数列:

[1, 7, 13, 31, 49, 79, 83, 91, 217, 403, 553, 581, 637, 1027, 1079, 1519, 2449, 2573, 2821, 3871, 4067, 6557, 7189, 7553, 17143, 18011, 19747, 31837, 33449, 45899, 50323, 52871, 85241, 120001, 126077, 203267, 222859, 234143, 321293, 596687, 1422869, 1560013, 1639001, 2642471, 4176809, 9960083, 18497297, 129481079]

約数ペア:

[(1, 129481079), (7, 18497297), (13, 9960083), (31, 4176809), (49, 2642471), (79, 1639001), (83, 1560013), (91, 1422869), (217, 596687), (403, 321293), (553, 234143), (581, 222859), (637, 203267), (1027, 126077), (1079, 120001), (1519, 85241), (2449, 52871), (2573, 50323), (2821, 45899), (3871, 33449), (4067, 31837), (6557, 19747), (7189, 18011), (7553, 17143)]