254456488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 563008320

約数和(自身を除く): 308551832

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 347, 572, 641, 694, 1144, 1282, 1388, 2564, 2776, 3817, 4511, 5128, 7051, 7634, 8333, 9022, 14102, 15268, 16666, 18044, 28204, 30536, 33332, 36088, 49621, 56408, 66664, 91663, 99242, 183326, 198484, 222427, 366652, 396968, 444854, 733304, 889708, 1779416, 2446697, 2891551, 4893394, 5783102, 9786788, 11566204, 19573576, 23132408, 31807061, 63614122, 127228244, 254456488]

約数ペア:

[(1, 254456488), (2, 127228244), (4, 63614122), (8, 31807061), (11, 23132408), (13, 19573576), (22, 11566204), (26, 9786788), (44, 5783102), (52, 4893394), (88, 2891551), (104, 2446697), (143, 1779416), (286, 889708), (347, 733304), (572, 444854), (641, 396968), (694, 366652), (1144, 222427), (1282, 198484), (1388, 183326), (2564, 99242), (2776, 91663), (3817, 66664), (4511, 56408), (5128, 49621), (7051, 36088), (7634, 33332), (8333, 30536), (9022, 28204), (14102, 18044), (15268, 16666)]