72256639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 99097600

約数和(自身を除く): 26840961

約数列:

[1, 7, 13, 19, 23, 79, 91, 133, 161, 247, 299, 437, 529, 553, 1027, 1501, 1729, 1817, 2093, 3059, 3703, 5681, 6877, 7189, 10051, 10507, 12719, 19513, 23621, 34523, 39767, 41791, 48139, 70357, 130663, 136591, 165347, 241661, 292537, 448799, 543283, 794029, 914641, 3141593, 3802981, 5558203, 10322377, 72256639]

約数ペア:

[(1, 72256639), (7, 10322377), (13, 5558203), (19, 3802981), (23, 3141593), (79, 914641), (91, 794029), (133, 543283), (161, 448799), (247, 292537), (299, 241661), (437, 165347), (529, 136591), (553, 130663), (1027, 70357), (1501, 48139), (1729, 41791), (1817, 39767), (2093, 34523), (3059, 23621), (3703, 19513), (5681, 12719), (6877, 10507), (7189, 10051)]