289771526

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 505612800

約数和(自身を除く): 215841274

約数列:

[1, 2, 11, 22, 23, 46, 79, 121, 158, 242, 253, 506, 659, 869, 1318, 1738, 1817, 2783, 3634, 5566, 7249, 9559, 14498, 15157, 19118, 19987, 30314, 39974, 52061, 79739, 104122, 159478, 166727, 219857, 333454, 439714, 572671, 1145342, 1197403, 1833997, 2394806, 3667994, 6299381, 12598762, 13171433, 26342866, 144885763, 289771526]

約数ペア:

[(1, 289771526), (2, 144885763), (11, 26342866), (22, 13171433), (23, 12598762), (46, 6299381), (79, 3667994), (121, 2394806), (158, 1833997), (242, 1197403), (253, 1145342), (506, 572671), (659, 439714), (869, 333454), (1318, 219857), (1738, 166727), (1817, 159478), (2783, 104122), (3634, 79739), (5566, 52061), (7249, 39974), (9559, 30314), (14498, 19987), (15157, 19118)]