278360576

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{3217}}^1$

素因数の和:3261

約数の個数: 60

約数和(自身を含む): 602438562

約数和(自身を除く): 324077986

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 832, 1352, 1664, 2704, 3217, 3328, 5408, 6434, 6656, 10816, 12868, 21632, 25736, 41821, 43264, 51472, 83642, 86528, 102944, 167284, 205888, 334568, 411776, 543673, 669136, 823552, 1087346, 1338272, 1647104, 2174692, 2676544, 4349384, 5353088, 8698768, 10706176, 17397536, 21412352, 34795072, 69590144, 139180288, 278360576]

約数ペア:

[(1, 278360576), (2, 139180288), (4, 69590144), (8, 34795072), (13, 21412352), (16, 17397536), (26, 10706176), (32, 8698768), (52, 5353088), (64, 4349384), (104, 2676544), (128, 2174692), (169, 1647104), (208, 1338272), (256, 1087346), (338, 823552), (416, 669136), (512, 543673), (676, 411776), (832, 334568), (1352, 205888), (1664, 167284), (2704, 102944), (3217, 86528), (3328, 83642), (5408, 51472), (6434, 43264), (6656, 41821), (10816, 25736), (12868, 21632)]