31994970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 88252416

約数和(自身を除く): 56257446

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 502, 607, 753, 1214, 1255, 1506, 1757, 1821, 2510, 3035, 3514, 3642, 3765, 4249, 5271, 6070, 7530, 8498, 8785, 9105, 10542, 12747, 17570, 18210, 21245, 25494, 26355, 42490, 52710, 63735, 127470, 152357, 304714, 457071, 761785, 914142, 1066499, 1523570, 2132998, 2285355, 3199497, 4570710, 5332495, 6398994, 10664990, 15997485, 31994970]

約数ペア:

[(1, 31994970), (2, 15997485), (3, 10664990), (5, 6398994), (6, 5332495), (7, 4570710), (10, 3199497), (14, 2285355), (15, 2132998), (21, 1523570), (30, 1066499), (35, 914142), (42, 761785), (70, 457071), (105, 304714), (210, 152357), (251, 127470), (502, 63735), (607, 52710), (753, 42490), (1214, 26355), (1255, 25494), (1506, 21245), (1757, 18210), (1821, 17570), (2510, 12747), (3035, 10542), (3514, 9105), (3642, 8785), (3765, 8498), (4249, 7530), (5271, 6070)]