281346936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 789169920

約数和(自身を除く): 507822984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 67, 78, 86, 104, 129, 134, 156, 172, 201, 258, 268, 312, 313, 344, 402, 516, 536, 559, 626, 804, 871, 939, 1032, 1118, 1252, 1608, 1677, 1742, 1878, 2236, 2504, 2613, 2881, 3354, 3484, 3756, 4069, 4472, 5226, 5762, 6708, 6968, 7512, 8138, 8643, 10452, 11524, 12207, 13416, 13459, 16276, 17286, 20904, 20971, 23048, 24414, 26918, 32552, 34572, 37453, 40377, 41942, 48828, 53836, 62913, 69144, 74906, 80754, 83884, 97656, 107672, 112359, 125826, 149812, 161508, 167768, 174967, 224718, 251652, 272623, 299624, 323016, 349934, 449436, 503304, 524901, 545246, 699868, 817869, 898872, 901753, 1049802, 1090492, 1399736, 1635738, 1803506, 2099604, 2180984, 2705259, 3271476, 3607012, 4199208, 5410518, 6542952, 7214024, 10821036, 11722789, 21642072, 23445578, 35168367, 46891156, 70336734, 93782312, 140673468, 281346936]

約数ペア:

[(1, 281346936), (2, 140673468), (3, 93782312), (4, 70336734), (6, 46891156), (8, 35168367), (12, 23445578), (13, 21642072), (24, 11722789), (26, 10821036), (39, 7214024), (43, 6542952), (52, 5410518), (67, 4199208), (78, 3607012), (86, 3271476), (104, 2705259), (129, 2180984), (134, 2099604), (156, 1803506), (172, 1635738), (201, 1399736), (258, 1090492), (268, 1049802), (312, 901753), (313, 898872), (344, 817869), (402, 699868), (516, 545246), (536, 524901), (559, 503304), (626, 449436), (804, 349934), (871, 323016), (939, 299624), (1032, 272623), (1118, 251652), (1252, 224718), (1608, 174967), (1677, 167768), (1742, 161508), (1878, 149812), (2236, 125826), (2504, 112359), (2613, 107672), (2881, 97656), (3354, 83884), (3484, 80754), (3756, 74906), (4069, 69144), (4472, 62913), (5226, 53836), (5762, 48828), (6708, 41942), (6968, 40377), (7512, 37453), (8138, 34572), (8643, 32552), (10452, 26918), (11524, 24414), (12207, 23048), (13416, 20971), (13459, 20904), (16276, 17286)]