71807288

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 161948160

約数和(自身を除く): 90140872

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 197, 283, 322, 394, 566, 644, 788, 1132, 1288, 1379, 1576, 1981, 2264, 2758, 3962, 4531, 5516, 6509, 7924, 9062, 11032, 13018, 15848, 18124, 26036, 31717, 36248, 45563, 52072, 55751, 63434, 91126, 111502, 126868, 182252, 223004, 253736, 364504, 390257, 446008, 780514, 1282273, 1561028, 2564546, 3122056, 5129092, 8975911, 10258184, 17951822, 35903644, 71807288]

約数ペア:

[(1, 71807288), (2, 35903644), (4, 17951822), (7, 10258184), (8, 8975911), (14, 5129092), (23, 3122056), (28, 2564546), (46, 1561028), (56, 1282273), (92, 780514), (161, 446008), (184, 390257), (197, 364504), (283, 253736), (322, 223004), (394, 182252), (566, 126868), (644, 111502), (788, 91126), (1132, 63434), (1288, 55751), (1379, 52072), (1576, 45563), (1981, 36248), (2264, 31717), (2758, 26036), (3962, 18124), (4531, 15848), (5516, 13018), (6509, 11032), (7924, 9062)]