81258554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 139601280

約数和(自身を除く): 58342726

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 494, 1339, 1597, 1957, 2678, 3194, 3914, 20761, 25441, 30343, 41522, 50882, 60686, 164491, 328982, 394459, 788918, 2138383, 3125329, 4276766, 6250658, 40629277, 81258554]

約数ペア:

[(1, 81258554), (2, 40629277), (13, 6250658), (19, 4276766), (26, 3125329), (38, 2138383), (103, 788918), (206, 394459), (247, 328982), (494, 164491), (1339, 60686), (1597, 50882), (1957, 41522), (2678, 30343), (3194, 25441), (3914, 20761)]