64261264

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 138276864

約数和(自身を除く): 74015600

約数列:

[1, 2, 4, 8, 16, 23, 31, 43, 46, 62, 86, 92, 124, 131, 172, 184, 248, 262, 344, 368, 496, 524, 688, 713, 989, 1048, 1333, 1426, 1978, 2096, 2666, 2852, 3013, 3956, 4061, 5332, 5633, 5704, 6026, 7912, 8122, 10664, 11266, 11408, 12052, 15824, 16244, 21328, 22532, 24104, 30659, 32488, 45064, 48208, 61318, 64976, 90128, 93403, 122636, 129559, 174623, 186806, 245272, 259118, 349246, 373612, 490544, 518236, 698492, 747224, 1036472, 1396984, 1494448, 2072944, 2793968, 4016329, 8032658, 16065316, 32130632, 64261264]

約数ペア:

[(1, 64261264), (2, 32130632), (4, 16065316), (8, 8032658), (16, 4016329), (23, 2793968), (31, 2072944), (43, 1494448), (46, 1396984), (62, 1036472), (86, 747224), (92, 698492), (124, 518236), (131, 490544), (172, 373612), (184, 349246), (248, 259118), (262, 245272), (344, 186806), (368, 174623), (496, 129559), (524, 122636), (688, 93403), (713, 90128), (989, 64976), (1048, 61318), (1333, 48208), (1426, 45064), (1978, 32488), (2096, 30659), (2666, 24104), (2852, 22532), (3013, 21328), (3956, 16244), (4061, 15824), (5332, 12052), (5633, 11408), (5704, 11266), (6026, 10664), (7912, 8122)]