163679984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 364560000

約数和(自身を除く): 200880016

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 83, 104, 152, 166, 208, 247, 304, 332, 494, 499, 664, 988, 998, 1079, 1328, 1577, 1976, 1996, 2158, 3154, 3952, 3992, 4316, 6308, 6487, 7984, 8632, 9481, 12616, 12974, 17264, 18962, 20501, 25232, 25948, 37924, 41002, 41417, 51896, 75848, 82004, 82834, 103792, 123253, 151696, 164008, 165668, 246506, 328016, 331336, 493012, 538421, 662672, 786923, 986024, 1076842, 1573846, 1972048, 2153684, 3147692, 4307368, 6295384, 8614736, 10229999, 12590768, 20459998, 40919996, 81839992, 163679984]

約数ペア:

[(1, 163679984), (2, 81839992), (4, 40919996), (8, 20459998), (13, 12590768), (16, 10229999), (19, 8614736), (26, 6295384), (38, 4307368), (52, 3147692), (76, 2153684), (83, 1972048), (104, 1573846), (152, 1076842), (166, 986024), (208, 786923), (247, 662672), (304, 538421), (332, 493012), (494, 331336), (499, 328016), (664, 246506), (988, 165668), (998, 164008), (1079, 151696), (1328, 123253), (1577, 103792), (1976, 82834), (1996, 82004), (2158, 75848), (3154, 51896), (3952, 41417), (3992, 41002), (4316, 37924), (6308, 25948), (6487, 25232), (7984, 20501), (8632, 18962), (9481, 17264), (12616, 12974)]