15776384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 35700000

約数和(自身を除く): 19923616

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 499, 608, 832, 988, 998, 1216, 1664, 1976, 1996, 2432, 3952, 3992, 6487, 7904, 7984, 9481, 12974, 15808, 15968, 18962, 25948, 31616, 31936, 37924, 51896, 63872, 75848, 103792, 123253, 151696, 207584, 246506, 303392, 415168, 493012, 606784, 830336, 986024, 1213568, 1972048, 3944096, 7888192, 15776384]

約数ペア:

[(1, 15776384), (2, 7888192), (4, 3944096), (8, 1972048), (13, 1213568), (16, 986024), (19, 830336), (26, 606784), (32, 493012), (38, 415168), (52, 303392), (64, 246506), (76, 207584), (104, 151696), (128, 123253), (152, 103792), (208, 75848), (247, 63872), (304, 51896), (416, 37924), (494, 31936), (499, 31616), (608, 25948), (832, 18962), (988, 15968), (998, 15808), (1216, 12974), (1664, 9481), (1976, 7984), (1996, 7904), (2432, 6487), (3952, 3992)]