1388173670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3525

約数の個数: 64

約数和(自身を含む): 2790014976

約数和(自身を除く): 1401841306

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 67, 94, 130, 134, 235, 335, 470, 611, 670, 871, 1222, 1742, 3055, 3149, 3391, 4355, 6110, 6298, 6782, 8710, 15745, 16955, 31490, 33910, 40937, 44083, 81874, 88166, 159377, 204685, 220415, 227197, 318754, 409370, 440830, 454394, 796885, 1135985, 1593770, 2071901, 2271970, 2953561, 4143802, 5907122, 10359505, 10678259, 14767805, 20719010, 21356518, 29535610, 53391295, 106782590, 138817367, 277634734, 694086835, 1388173670]

約数ペア:

[(1, 1388173670), (2, 694086835), (5, 277634734), (10, 138817367), (13, 106782590), (26, 53391295), (47, 29535610), (65, 21356518), (67, 20719010), (94, 14767805), (130, 10678259), (134, 10359505), (235, 5907122), (335, 4143802), (470, 2953561), (611, 2271970), (670, 2071901), (871, 1593770), (1222, 1135985), (1742, 796885), (3055, 454394), (3149, 440830), (3391, 409370), (4355, 318754), (6110, 227197), (6298, 220415), (6782, 204685), (8710, 159377), (15745, 88166), (16955, 81874), (31490, 44083), (33910, 40937)]