260267966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13781}}^1$

素因数の和:13880

約数の個数: 32

約数和(自身を含む): 476305920

約数和(自身を除く): 216037954

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 13781, 18886, 27562, 96467, 192934, 261839, 523678, 978451, 1832873, 1956902, 3665746, 6849157, 13698314, 18590569, 37181138, 130133983, 260267966]

約数ペア:

[(1, 260267966), (2, 130133983), (7, 37181138), (14, 18590569), (19, 13698314), (38, 6849157), (71, 3665746), (133, 1956902), (142, 1832873), (266, 978451), (497, 523678), (994, 261839), (1349, 192934), (2698, 96467), (9443, 27562), (13781, 18886)]