28162778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 51435648

約数和(自身を除く): 23272870

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 241, 482, 491, 982, 1687, 3374, 3437, 4097, 6874, 8194, 8347, 16694, 28679, 57358, 58429, 116858, 118331, 236662, 828317, 1656634, 2011627, 4023254, 14081389, 28162778]

約数ペア:

[(1, 28162778), (2, 14081389), (7, 4023254), (14, 2011627), (17, 1656634), (34, 828317), (119, 236662), (238, 118331), (241, 116858), (482, 58429), (491, 57358), (982, 28679), (1687, 16694), (3374, 8347), (3437, 8194), (4097, 6874)]