1278595868

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 2602500096

約数和(自身を除く): 1323904228

約数列:

[1, 2, 4, 11, 22, 31, 44, 61, 62, 121, 122, 124, 127, 242, 244, 254, 341, 484, 508, 671, 682, 1331, 1342, 1364, 1397, 1891, 2662, 2684, 2794, 3751, 3782, 3937, 5324, 5588, 7381, 7502, 7564, 7747, 7874, 14762, 15004, 15367, 15494, 15748, 20801, 29524, 30734, 30988, 41261, 41602, 43307, 61468, 81191, 82522, 83204, 85217, 86614, 162382, 165044, 169037, 170434, 173228, 228811, 240157, 324764, 338074, 340868, 457622, 476377, 480314, 676148, 915244, 937387, 952754, 960628, 1874774, 1905508, 2516921, 2641727, 3749548, 5033842, 5240147, 5283454, 10067684, 10311257, 10480294, 10566908, 20622514, 20960588, 29058997, 41245028, 58117994, 116235988, 319648967, 639297934, 1278595868]

約数ペア:

[(1, 1278595868), (2, 639297934), (4, 319648967), (11, 116235988), (22, 58117994), (31, 41245028), (44, 29058997), (61, 20960588), (62, 20622514), (121, 10566908), (122, 10480294), (124, 10311257), (127, 10067684), (242, 5283454), (244, 5240147), (254, 5033842), (341, 3749548), (484, 2641727), (508, 2516921), (671, 1905508), (682, 1874774), (1331, 960628), (1342, 952754), (1364, 937387), (1397, 915244), (1891, 676148), (2662, 480314), (2684, 476377), (2794, 457622), (3751, 340868), (3782, 338074), (3937, 324764), (5324, 240157), (5588, 228811), (7381, 173228), (7502, 170434), (7564, 169037), (7747, 165044), (7874, 162382), (14762, 86614), (15004, 85217), (15367, 83204), (15494, 82522), (15748, 81191), (20801, 61468), (29524, 43307), (30734, 41602), (30988, 41261)]