1280454786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{7919}}^1$

素因数の和:8631

約数の個数: 48

約数和(自身を含む): 2992429440

約数和(自身を除く): 1711974654

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 691, 1382, 2073, 4146, 6219, 7919, 8983, 12438, 15838, 17966, 23757, 26949, 47514, 53898, 71271, 80847, 102947, 142542, 161694, 205894, 308841, 617682, 926523, 1853046, 5472029, 10944058, 16416087, 32832174, 49248261, 71136377, 98496522, 142272754, 213409131, 426818262, 640227393, 1280454786]

約数ペア:

[(1, 1280454786), (2, 640227393), (3, 426818262), (6, 213409131), (9, 142272754), (13, 98496522), (18, 71136377), (26, 49248261), (39, 32832174), (78, 16416087), (117, 10944058), (234, 5472029), (691, 1853046), (1382, 926523), (2073, 617682), (4146, 308841), (6219, 205894), (7919, 161694), (8983, 142542), (12438, 102947), (15838, 80847), (17966, 71271), (23757, 53898), (26949, 47514)]