205718994

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2237}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 496298880

約数和(自身を除く): 290579886

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 131, 234, 262, 351, 393, 702, 786, 1179, 1703, 2237, 2358, 3406, 3537, 4474, 5109, 6711, 7074, 10218, 13422, 15327, 20133, 29081, 30654, 40266, 45981, 58162, 60399, 87243, 91962, 120798, 174486, 261729, 293047, 523458, 586094, 785187, 879141, 1570374, 1758282, 2637423, 3809611, 5274846, 7619222, 7912269, 11428833, 15824538, 22857666, 34286499, 68572998, 102859497, 205718994]

約数ペア:

[(1, 205718994), (2, 102859497), (3, 68572998), (6, 34286499), (9, 22857666), (13, 15824538), (18, 11428833), (26, 7912269), (27, 7619222), (39, 5274846), (54, 3809611), (78, 2637423), (117, 1758282), (131, 1570374), (234, 879141), (262, 785187), (351, 586094), (393, 523458), (702, 293047), (786, 261729), (1179, 174486), (1703, 120798), (2237, 91962), (2358, 87243), (3406, 60399), (3537, 58162), (4474, 45981), (5109, 40266), (6711, 30654), (7074, 29081), (10218, 20133), (13422, 15327)]