1780064

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 4127760

約数和(自身を除く): 2347696

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 389, 416, 572, 778, 1144, 1556, 2288, 3112, 4279, 4576, 5057, 6224, 8558, 10114, 12448, 17116, 20228, 34232, 40456, 55627, 68464, 80912, 111254, 136928, 161824, 222508, 445016, 890032, 1780064]

約数ペア:

[(1, 1780064), (2, 890032), (4, 445016), (8, 222508), (11, 161824), (13, 136928), (16, 111254), (22, 80912), (26, 68464), (32, 55627), (44, 40456), (52, 34232), (88, 20228), (104, 17116), (143, 12448), (176, 10114), (208, 8558), (286, 6224), (352, 5057), (389, 4576), (416, 4279), (572, 3112), (778, 2288), (1144, 1556)]