1277319505

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15289}}^1$

素因数の和:15350

約数の個数: 48

約数和(自身を含む): 2008005120

約数和(自身を除く): 730685615

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 245, 341, 385, 539, 1085, 1519, 1705, 2387, 2695, 7595, 11935, 15289, 16709, 76445, 83545, 107023, 168179, 473959, 535115, 749161, 840895, 1177253, 2369795, 3317713, 3745805, 5213549, 5886265, 8240771, 16588565, 23223991, 26067745, 36494843, 41203855, 116119955, 182474215, 255463901, 1277319505]

約数ペア:

[(1, 1277319505), (5, 255463901), (7, 182474215), (11, 116119955), (31, 41203855), (35, 36494843), (49, 26067745), (55, 23223991), (77, 16588565), (155, 8240771), (217, 5886265), (245, 5213549), (341, 3745805), (385, 3317713), (539, 2369795), (1085, 1177253), (1519, 840895), (1705, 749161), (2387, 535115), (2695, 473959), (7595, 168179), (11935, 107023), (15289, 83545), (16709, 76445)]