254809688

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 561422400

約数和(自身を除く): 306612712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 97, 122, 194, 244, 388, 427, 488, 679, 769, 776, 854, 1358, 1538, 1708, 2716, 3076, 3416, 5383, 5432, 5917, 6152, 10766, 11834, 21532, 23668, 41419, 43064, 46909, 47336, 74593, 82838, 93818, 149186, 165676, 187636, 298372, 328363, 331352, 375272, 522151, 596744, 656726, 1044302, 1313452, 2088604, 2626904, 4177208, 4550173, 9100346, 18200692, 31851211, 36401384, 63702422, 127404844, 254809688]

約数ペア:

[(1, 254809688), (2, 127404844), (4, 63702422), (7, 36401384), (8, 31851211), (14, 18200692), (28, 9100346), (56, 4550173), (61, 4177208), (97, 2626904), (122, 2088604), (194, 1313452), (244, 1044302), (388, 656726), (427, 596744), (488, 522151), (679, 375272), (769, 331352), (776, 328363), (854, 298372), (1358, 187636), (1538, 165676), (1708, 149186), (2716, 93818), (3076, 82838), (3416, 74593), (5383, 47336), (5432, 46909), (5917, 43064), (6152, 41419), (10766, 23668), (11834, 21532)]