1285471252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^2\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 2609157096

約数和(自身を除く): 1323685844

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 79, 158, 221, 233, 316, 442, 466, 884, 932, 1027, 1343, 2054, 2686, 3029, 3961, 4108, 5372, 6058, 6241, 7922, 12116, 12482, 15844, 17459, 18407, 24964, 34918, 36814, 51493, 69836, 73628, 81133, 102986, 106097, 162266, 205972, 212194, 239291, 312919, 324532, 424388, 478582, 625838, 957164, 1251676, 1379261, 1454153, 2758522, 2908306, 4067947, 5517044, 5816612, 8135894, 16271788, 18903989, 24720601, 37807978, 49441202, 75615956, 98882404, 321367813, 642735626, 1285471252]

約数ペア:

[(1, 1285471252), (2, 642735626), (4, 321367813), (13, 98882404), (17, 75615956), (26, 49441202), (34, 37807978), (52, 24720601), (68, 18903989), (79, 16271788), (158, 8135894), (221, 5816612), (233, 5517044), (316, 4067947), (442, 2908306), (466, 2758522), (884, 1454153), (932, 1379261), (1027, 1251676), (1343, 957164), (2054, 625838), (2686, 478582), (3029, 424388), (3961, 324532), (4108, 312919), (5372, 239291), (6058, 212194), (6241, 205972), (7922, 162266), (12116, 106097), (12482, 102986), (15844, 81133), (17459, 73628), (18407, 69836), (24964, 51493), (34918, 36814)]