220506

素因数分解:

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

素因数の和:286

約数の個数: 32

約数和(自身を含む): 520128

約数和(自身を除く): 299622

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 257, 286, 429, 514, 771, 858, 1542, 2827, 3341, 5654, 6682, 8481, 10023, 16962, 20046, 36751, 73502, 110253, 220506]

約数ペア:

[(1, 220506), (2, 110253), (3, 73502), (6, 36751), (11, 20046), (13, 16962), (22, 10023), (26, 8481), (33, 6682), (39, 5654), (66, 3341), (78, 2827), (143, 1542), (257, 858), (286, 771), (429, 514)]