208690804

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{4111}}^1$

素因数の和:4173

約数の個数: 48

約数和(自身を含む): 437516800

約数和(自身を除く): 228825996

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1813, 3626, 4111, 7252, 8222, 12691, 16444, 25382, 28777, 50764, 57554, 115108, 152107, 201439, 304214, 402878, 608428, 805756, 1064749, 1410073, 2129498, 2820146, 4258996, 5640292, 7453243, 14906486, 29812972, 52172701, 104345402, 208690804]

約数ペア:

[(1, 208690804), (2, 104345402), (4, 52172701), (7, 29812972), (14, 14906486), (28, 7453243), (37, 5640292), (49, 4258996), (74, 2820146), (98, 2129498), (148, 1410073), (196, 1064749), (259, 805756), (343, 608428), (518, 402878), (686, 304214), (1036, 201439), (1372, 152107), (1813, 115108), (3626, 57554), (4111, 50764), (7252, 28777), (8222, 25382), (12691, 16444)]