278759484

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{3217}}^1$

素因数の和:3339

約数の個数: 72

約数和(自身を含む): 737951760

約数和(自身を除く): 459192276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 249, 261, 332, 348, 498, 522, 747, 996, 1044, 1494, 2407, 2988, 3217, 4814, 6434, 7221, 9628, 9651, 12868, 14442, 19302, 21663, 28884, 28953, 38604, 43326, 57906, 86652, 93293, 115812, 186586, 267011, 279879, 373172, 534022, 559758, 801033, 839637, 1068044, 1119516, 1602066, 1679274, 2403099, 3204132, 3358548, 4806198, 7743319, 9612396, 15486638, 23229957, 30973276, 46459914, 69689871, 92919828, 139379742, 278759484]

約数ペア:

[(1, 278759484), (2, 139379742), (3, 92919828), (4, 69689871), (6, 46459914), (9, 30973276), (12, 23229957), (18, 15486638), (29, 9612396), (36, 7743319), (58, 4806198), (83, 3358548), (87, 3204132), (116, 2403099), (166, 1679274), (174, 1602066), (249, 1119516), (261, 1068044), (332, 839637), (348, 801033), (498, 559758), (522, 534022), (747, 373172), (996, 279879), (1044, 267011), (1494, 186586), (2407, 115812), (2988, 93293), (3217, 86652), (4814, 57906), (6434, 43326), (7221, 38604), (9628, 28953), (9651, 28884), (12868, 21663), (14442, 19302)]