31552768

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 71540000

約数和(自身を除く): 39987232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 499, 608, 832, 988, 998, 1216, 1664, 1976, 1996, 2432, 3328, 3952, 3992, 4864, 6487, 7904, 7984, 9481, 12974, 15808, 15968, 18962, 25948, 31616, 31936, 37924, 51896, 63232, 63872, 75848, 103792, 123253, 127744, 151696, 207584, 246506, 303392, 415168, 493012, 606784, 830336, 986024, 1213568, 1660672, 1972048, 2427136, 3944096, 7888192, 15776384, 31552768]

約数ペア:

[(1, 31552768), (2, 15776384), (4, 7888192), (8, 3944096), (13, 2427136), (16, 1972048), (19, 1660672), (26, 1213568), (32, 986024), (38, 830336), (52, 606784), (64, 493012), (76, 415168), (104, 303392), (128, 246506), (152, 207584), (208, 151696), (247, 127744), (256, 123253), (304, 103792), (416, 75848), (494, 63872), (499, 63232), (608, 51896), (832, 37924), (988, 31936), (998, 31616), (1216, 25948), (1664, 18962), (1976, 15968), (1996, 15808), (2432, 12974), (3328, 9481), (3952, 7984), (3992, 7904), (4864, 6487)]