289730896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{15307}}^1$

素因数の和:15348

約数の個数: 60

約数和(自身を含む): 694738272

約数和(自身を除く): 405007376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 15307, 18928, 30614, 61228, 107149, 122456, 198991, 214298, 244912, 397982, 428596, 795964, 857192, 1392937, 1591928, 1714384, 2586883, 2785874, 3183856, 5173766, 5571748, 10347532, 11143496, 18108181, 20695064, 22286992, 36216362, 41390128, 72432724, 144865448, 289730896]

約数ペア:

[(1, 289730896), (2, 144865448), (4, 72432724), (7, 41390128), (8, 36216362), (13, 22286992), (14, 20695064), (16, 18108181), (26, 11143496), (28, 10347532), (52, 5571748), (56, 5173766), (91, 3183856), (104, 2785874), (112, 2586883), (169, 1714384), (182, 1591928), (208, 1392937), (338, 857192), (364, 795964), (676, 428596), (728, 397982), (1183, 244912), (1352, 214298), (1456, 198991), (2366, 122456), (2704, 107149), (4732, 61228), (9464, 30614), (15307, 18928)]