27880216

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5504

約数の個数: 48

約数和(自身を含む): 65499840

約数和(自身を除く): 37619624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 5471, 10942, 21884, 38297, 43768, 71123, 76594, 142246, 153188, 268079, 284492, 306376, 497861, 536158, 568984, 995722, 1072316, 1991444, 2144632, 3485027, 3982888, 6970054, 13940108, 27880216]

約数ペア:

[(1, 27880216), (2, 13940108), (4, 6970054), (7, 3982888), (8, 3485027), (13, 2144632), (14, 1991444), (26, 1072316), (28, 995722), (49, 568984), (52, 536158), (56, 497861), (91, 306376), (98, 284492), (104, 268079), (182, 153188), (196, 142246), (364, 76594), (392, 71123), (637, 43768), (728, 38297), (1274, 21884), (2548, 10942), (5096, 5471)]