291297208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 606816000

約数和(自身を除く): 315518792

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 97, 152, 184, 194, 388, 437, 776, 859, 874, 1718, 1748, 1843, 2231, 3436, 3496, 3686, 4462, 6872, 7372, 8924, 14744, 16321, 17848, 19757, 32642, 39514, 42389, 65284, 79028, 83323, 84778, 130568, 158056, 166646, 169556, 333292, 339112, 375383, 666584, 750766, 1501532, 1583137, 1916429, 3003064, 3166274, 3832858, 6332548, 7665716, 12665096, 15331432, 36412151, 72824302, 145648604, 291297208]

約数ペア:

[(1, 291297208), (2, 145648604), (4, 72824302), (8, 36412151), (19, 15331432), (23, 12665096), (38, 7665716), (46, 6332548), (76, 3832858), (92, 3166274), (97, 3003064), (152, 1916429), (184, 1583137), (194, 1501532), (388, 750766), (437, 666584), (776, 375383), (859, 339112), (874, 333292), (1718, 169556), (1748, 166646), (1843, 158056), (2231, 130568), (3436, 84778), (3496, 83323), (3686, 79028), (4462, 65284), (6872, 42389), (7372, 39514), (8924, 32642), (14744, 19757), (16321, 17848)]