8195005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 12870144

約数和(自身を除く): 4675139

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 83, 91, 155, 217, 245, 403, 415, 455, 581, 637, 1079, 1085, 1519, 2015, 2573, 2821, 2905, 3185, 4067, 5395, 7553, 7595, 12865, 14105, 18011, 19747, 20335, 33449, 37765, 52871, 90055, 98735, 126077, 167245, 234143, 264355, 630385, 1170715, 1639001, 8195005]

約数ペア:

[(1, 8195005), (5, 1639001), (7, 1170715), (13, 630385), (31, 264355), (35, 234143), (49, 167245), (65, 126077), (83, 98735), (91, 90055), (155, 52871), (217, 37765), (245, 33449), (403, 20335), (415, 19747), (455, 18011), (581, 14105), (637, 12865), (1079, 7595), (1085, 7553), (1519, 5395), (2015, 4067), (2573, 3185), (2821, 2905)]