681502016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26423}}^1$

素因数の和:26479

約数の個数: 56

約数和(自身を含む): 1503419904

約数和(自身を除く): 821917888

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 26423, 52846, 105692, 211384, 343499, 422768, 686998, 819113, 845536, 1373996, 1638226, 1691072, 2747992, 3276452, 5495984, 6552904, 10648469, 10991968, 13105808, 21296938, 21983936, 26211616, 42593876, 52423232, 85187752, 170375504, 340751008, 681502016]

約数ペア:

[(1, 681502016), (2, 340751008), (4, 170375504), (8, 85187752), (13, 52423232), (16, 42593876), (26, 26211616), (31, 21983936), (32, 21296938), (52, 13105808), (62, 10991968), (64, 10648469), (104, 6552904), (124, 5495984), (208, 3276452), (248, 2747992), (403, 1691072), (416, 1638226), (496, 1373996), (806, 845536), (832, 819113), (992, 686998), (1612, 422768), (1984, 343499), (3224, 211384), (6448, 105692), (12896, 52846), (25792, 26423)]