291248129081

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{7321}}^1$

素因数の和:7559

約数の個数: 72

約数和(自身を含む): 387352925064

約数和(自身を除く): 96104795983

約数列:

[1, 7, 13, 19, 49, 91, 133, 173, 247, 361, 637, 931, 1211, 1729, 2249, 2527, 3287, 4693, 7321, 8477, 12103, 15743, 17689, 23009, 32851, 42731, 51247, 62453, 95173, 110201, 139099, 161063, 229957, 299117, 358729, 437171, 666211, 811889, 973693, 1266533, 1808287, 2093819, 2642881, 3060197, 4663477, 5683223, 6815851, 8865731, 12658009, 16464929, 18500167, 24064127, 34357453, 39782561, 62060117, 88606063, 115254503, 129501169, 168448889, 240502171, 312833651, 457218413, 806781521, 1179142223, 1683515197, 2189835557, 3200528891, 5943839369, 15328848899, 22403702237, 41606875583, 291248129081]

約数ペア:

[(1, 291248129081), (7, 41606875583), (13, 22403702237), (19, 15328848899), (49, 5943839369), (91, 3200528891), (133, 2189835557), (173, 1683515197), (247, 1179142223), (361, 806781521), (637, 457218413), (931, 312833651), (1211, 240502171), (1729, 168448889), (2249, 129501169), (2527, 115254503), (3287, 88606063), (4693, 62060117), (7321, 39782561), (8477, 34357453), (12103, 24064127), (15743, 18500167), (17689, 16464929), (23009, 12658009), (32851, 8865731), (42731, 6815851), (51247, 5683223), (62453, 4663477), (95173, 3060197), (110201, 2642881), (139099, 2093819), (161063, 1808287), (229957, 1266533), (299117, 973693), (358729, 811889), (437171, 666211)]