221118784

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1991

約数の個数: 56

約数和(自身を含む): 460857600

約数和(自身を除く): 239738816

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 236, 248, 472, 496, 944, 992, 1829, 1888, 1889, 1984, 3658, 3776, 3778, 7316, 7556, 14632, 15112, 29264, 30224, 58528, 58559, 60448, 111451, 117056, 117118, 120896, 222902, 234236, 445804, 468472, 891608, 936944, 1783216, 1873888, 3454981, 3566432, 3747776, 6909962, 7132864, 13819924, 27639848, 55279696, 110559392, 221118784]

約数ペア:

[(1, 221118784), (2, 110559392), (4, 55279696), (8, 27639848), (16, 13819924), (31, 7132864), (32, 6909962), (59, 3747776), (62, 3566432), (64, 3454981), (118, 1873888), (124, 1783216), (236, 936944), (248, 891608), (472, 468472), (496, 445804), (944, 234236), (992, 222902), (1829, 120896), (1888, 117118), (1889, 117056), (1984, 111451), (3658, 60448), (3776, 58559), (3778, 58528), (7316, 30224), (7556, 29264), (14632, 15112)]