1281555574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67429}}^1$

素因数の和:67504

約数の個数: 32

約数和(自身を含む): 2242991520

約数和(自身を除く): 961435946

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1462, 9503, 19006, 67429, 134858, 876577, 1146293, 1753154, 2292586, 2899447, 5798894, 14901809, 29803618, 37692811, 49290599, 75385622, 98581198, 640777787, 1281555574]

約数ペア:

[(1, 1281555574), (2, 640777787), (13, 98581198), (17, 75385622), (26, 49290599), (34, 37692811), (43, 29803618), (86, 14901809), (221, 5798894), (442, 2899447), (559, 2292586), (731, 1753154), (1118, 1146293), (1462, 876577), (9503, 134858), (19006, 67429)]