139141808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 304313856

約数和(自身を除く): 165172048

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 47, 52, 86, 94, 104, 172, 188, 208, 331, 344, 376, 559, 611, 662, 688, 752, 1118, 1222, 1324, 2021, 2236, 2444, 2648, 4042, 4303, 4472, 4888, 5296, 8084, 8606, 8944, 9776, 14233, 15557, 16168, 17212, 26273, 28466, 31114, 32336, 34424, 52546, 56932, 62228, 68848, 105092, 113864, 124456, 185029, 202241, 210184, 227728, 248912, 370058, 404482, 420368, 668951, 740116, 808964, 1337902, 1480232, 1617928, 2675804, 2960464, 3235856, 5351608, 8696363, 10703216, 17392726, 34785452, 69570904, 139141808]

約数ペア:

[(1, 139141808), (2, 69570904), (4, 34785452), (8, 17392726), (13, 10703216), (16, 8696363), (26, 5351608), (43, 3235856), (47, 2960464), (52, 2675804), (86, 1617928), (94, 1480232), (104, 1337902), (172, 808964), (188, 740116), (208, 668951), (331, 420368), (344, 404482), (376, 370058), (559, 248912), (611, 227728), (662, 210184), (688, 202241), (752, 185029), (1118, 124456), (1222, 113864), (1324, 105092), (2021, 68848), (2236, 62228), (2444, 56932), (2648, 52546), (4042, 34424), (4303, 32336), (4472, 31114), (4888, 28466), (5296, 26273), (8084, 17212), (8606, 16168), (8944, 15557), (9776, 14233)]