290690816

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{6719}}^1$

素因数の和:6761

約数の個数: 54

約数和(自身を含む): 628407360

約数和(自身を除く): 337716544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 6719, 10816, 13438, 21632, 26876, 43264, 53752, 87347, 107504, 174694, 215008, 349388, 430016, 698776, 860032, 1135511, 1397552, 1720064, 2271022, 2795104, 4542044, 5590208, 9084088, 11180416, 18168176, 22360832, 36336352, 72672704, 145345408, 290690816]

約数ペア:

[(1, 290690816), (2, 145345408), (4, 72672704), (8, 36336352), (13, 22360832), (16, 18168176), (26, 11180416), (32, 9084088), (52, 5590208), (64, 4542044), (104, 2795104), (128, 2271022), (169, 1720064), (208, 1397552), (256, 1135511), (338, 860032), (416, 698776), (676, 430016), (832, 349388), (1352, 215008), (1664, 174694), (2704, 107504), (3328, 87347), (5408, 53752), (6719, 43264), (10816, 26876), (13438, 21632)]