399752008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 832032000

約数和(自身を除く): 432279992

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 79, 116, 136, 158, 232, 316, 493, 632, 986, 1283, 1343, 1972, 2291, 2566, 2686, 3944, 4582, 5132, 5372, 9164, 10264, 10744, 18328, 21811, 37207, 38947, 43622, 74414, 77894, 87244, 101357, 148828, 155788, 174488, 202714, 297656, 311576, 405428, 632519, 810856, 1265038, 1723069, 2530076, 2939353, 3446138, 5060152, 5878706, 6892276, 11757412, 13784552, 23514824, 49969001, 99938002, 199876004, 399752008]

約数ペア:

[(1, 399752008), (2, 199876004), (4, 99938002), (8, 49969001), (17, 23514824), (29, 13784552), (34, 11757412), (58, 6892276), (68, 5878706), (79, 5060152), (116, 3446138), (136, 2939353), (158, 2530076), (232, 1723069), (316, 1265038), (493, 810856), (632, 632519), (986, 405428), (1283, 311576), (1343, 297656), (1972, 202714), (2291, 174488), (2566, 155788), (2686, 148828), (3944, 101357), (4582, 87244), (5132, 77894), (5372, 74414), (9164, 43622), (10264, 38947), (10744, 37207), (18328, 21811)]