28256488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2917

約数の個数: 32

約数和(自身を含む): 57665160

約数和(自身を除く): 29408672

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2522, 2801, 5044, 5602, 10088, 11204, 22408, 36413, 72826, 145652, 271697, 291304, 543394, 1086788, 2173576, 3532061, 7064122, 14128244, 28256488]

約数ペア:

[(1, 28256488), (2, 14128244), (4, 7064122), (8, 3532061), (13, 2173576), (26, 1086788), (52, 543394), (97, 291304), (104, 271697), (194, 145652), (388, 72826), (776, 36413), (1261, 22408), (2522, 11204), (2801, 10088), (5044, 5602)]