28786968

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 92928000

約数和(自身を除く): 64141032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 79, 84, 108, 126, 158, 168, 189, 216, 237, 241, 252, 316, 378, 474, 482, 504, 553, 632, 711, 723, 756, 948, 964, 1106, 1422, 1446, 1512, 1659, 1687, 1896, 1928, 2133, 2169, 2212, 2844, 2892, 3318, 3374, 4266, 4338, 4424, 4977, 5061, 5688, 5784, 6507, 6636, 6748, 8532, 8676, 9954, 10122, 13014, 13272, 13496, 14931, 15183, 17064, 17352, 19039, 19908, 20244, 26028, 29862, 30366, 38078, 39816, 40488, 45549, 52056, 57117, 59724, 60732, 76156, 91098, 114234, 119448, 121464, 133273, 152312, 171351, 182196, 228468, 266546, 342702, 364392, 399819, 456936, 514053, 533092, 685404, 799638, 1028106, 1066184, 1199457, 1370808, 1599276, 2056212, 2398914, 3198552, 3598371, 4112424, 4797828, 7196742, 9595656, 14393484, 28786968]

約数ペア:

[(1, 28786968), (2, 14393484), (3, 9595656), (4, 7196742), (6, 4797828), (7, 4112424), (8, 3598371), (9, 3198552), (12, 2398914), (14, 2056212), (18, 1599276), (21, 1370808), (24, 1199457), (27, 1066184), (28, 1028106), (36, 799638), (42, 685404), (54, 533092), (56, 514053), (63, 456936), (72, 399819), (79, 364392), (84, 342702), (108, 266546), (126, 228468), (158, 182196), (168, 171351), (189, 152312), (216, 133273), (237, 121464), (241, 119448), (252, 114234), (316, 91098), (378, 76156), (474, 60732), (482, 59724), (504, 57117), (553, 52056), (632, 45549), (711, 40488), (723, 39816), (756, 38078), (948, 30366), (964, 29862), (1106, 26028), (1422, 20244), (1446, 19908), (1512, 19039), (1659, 17352), (1687, 17064), (1896, 15183), (1928, 14931), (2133, 13496), (2169, 13272), (2212, 13014), (2844, 10122), (2892, 9954), (3318, 8676), (3374, 8532), (4266, 6748), (4338, 6636), (4424, 6507), (4977, 5784), (5061, 5688)]