661518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 1690416

約数和(自身を除く): 1028898

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 257, 286, 429, 514, 771, 858, 1287, 1542, 2313, 2574, 2827, 3341, 4626, 5654, 6682, 8481, 10023, 16962, 20046, 25443, 30069, 36751, 50886, 60138, 73502, 110253, 220506, 330759, 661518]

約数ペア:

[(1, 661518), (2, 330759), (3, 220506), (6, 110253), (9, 73502), (11, 60138), (13, 50886), (18, 36751), (22, 30069), (26, 25443), (33, 20046), (39, 16962), (66, 10023), (78, 8481), (99, 6682), (117, 5654), (143, 4626), (198, 3341), (234, 2827), (257, 2574), (286, 2313), (429, 1542), (514, 1287), (771, 858)]