2149790728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 4239475200

約数和(自身を除く): 2089684472

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 173, 178, 248, 346, 356, 563, 692, 712, 1126, 1384, 2252, 2759, 4504, 5363, 5518, 10726, 11036, 15397, 17453, 21452, 22072, 30794, 34906, 42904, 50107, 61588, 69812, 97399, 100214, 123176, 139624, 194798, 200428, 389596, 400856, 477307, 779192, 954614, 1553317, 1909228, 3019369, 3106634, 3818456, 6038738, 6213268, 8668511, 12077476, 12426536, 17337022, 24154952, 34674044, 69348088, 268723841, 537447682, 1074895364, 2149790728]

約数ペア:

[(1, 2149790728), (2, 1074895364), (4, 537447682), (8, 268723841), (31, 69348088), (62, 34674044), (89, 24154952), (124, 17337022), (173, 12426536), (178, 12077476), (248, 8668511), (346, 6213268), (356, 6038738), (563, 3818456), (692, 3106634), (712, 3019369), (1126, 1909228), (1384, 1553317), (2252, 954614), (2759, 779192), (4504, 477307), (5363, 400856), (5518, 389596), (10726, 200428), (11036, 194798), (15397, 139624), (17453, 123176), (21452, 100214), (22072, 97399), (30794, 69812), (34906, 61588), (42904, 50107)]