81284392

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 183214080

約数和(自身を除く): 101929688

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 223, 283, 322, 446, 566, 644, 892, 1132, 1288, 1561, 1784, 1981, 2264, 3122, 3962, 5129, 6244, 6509, 7924, 10258, 12488, 13018, 15848, 20516, 26036, 35903, 41032, 45563, 52072, 63109, 71806, 91126, 126218, 143612, 182252, 252436, 287224, 364504, 441763, 504872, 883526, 1451507, 1767052, 2903014, 3534104, 5806028, 10160549, 11612056, 20321098, 40642196, 81284392]

約数ペア:

[(1, 81284392), (2, 40642196), (4, 20321098), (7, 11612056), (8, 10160549), (14, 5806028), (23, 3534104), (28, 2903014), (46, 1767052), (56, 1451507), (92, 883526), (161, 504872), (184, 441763), (223, 364504), (283, 287224), (322, 252436), (446, 182252), (566, 143612), (644, 126218), (892, 91126), (1132, 71806), (1288, 63109), (1561, 52072), (1784, 45563), (1981, 41032), (2264, 35903), (3122, 26036), (3962, 20516), (5129, 15848), (6244, 13018), (6509, 12488), (7924, 10258)]