491886486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3291

約数の個数: 128

約数和(自身を含む): 1389158400

約数和(自身を除く): 897271914

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1638, 1674, 1953, 2418, 2457, 2821, 3229, 3627, 3906, 4914, 5642, 5859, 6458, 7254, 8463, 9687, 10881, 11718, 16926, 19374, 21762, 22603, 25389, 29061, 41977, 45206, 50778, 58122, 67809, 76167, 83954, 87183, 100099, 125931, 135618, 152334, 174366, 200198, 203427, 251862, 293839, 300297, 377793, 406854, 587678, 600594, 610281, 700693, 755586, 881517, 900891, 1133379, 1220562, 1301287, 1401386, 1763034, 1801782, 2102079, 2266758, 2602574, 2644551, 2702673, 3903861, 4204158, 5289102, 5405346, 6306237, 7807722, 7933653, 9109009, 11711583, 12612474, 15867306, 18218018, 18918711, 23423166, 27327027, 35134749, 37837422, 54654054, 70269498, 81981081, 163962162, 245943243, 491886486]

約数ペア:

[(1, 491886486), (2, 245943243), (3, 163962162), (6, 81981081), (7, 70269498), (9, 54654054), (13, 37837422), (14, 35134749), (18, 27327027), (21, 23423166), (26, 18918711), (27, 18218018), (31, 15867306), (39, 12612474), (42, 11711583), (54, 9109009), (62, 7933653), (63, 7807722), (78, 6306237), (91, 5405346), (93, 5289102), (117, 4204158), (126, 3903861), (182, 2702673), (186, 2644551), (189, 2602574), (217, 2266758), (234, 2102079), (273, 1801782), (279, 1763034), (351, 1401386), (378, 1301287), (403, 1220562), (434, 1133379), (546, 900891), (558, 881517), (651, 755586), (702, 700693), (806, 610281), (819, 600594), (837, 587678), (1209, 406854), (1302, 377793), (1638, 300297), (1674, 293839), (1953, 251862), (2418, 203427), (2457, 200198), (2821, 174366), (3229, 152334), (3627, 135618), (3906, 125931), (4914, 100099), (5642, 87183), (5859, 83954), (6458, 76167), (7254, 67809), (8463, 58122), (9687, 50778), (10881, 45206), (11718, 41977), (16926, 29061), (19374, 25389), (21762, 22603)]