209946996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1933}}^1$

素因数の和:2381

約数の個数: 72

約数和(自身を含む): 608235264

約数和(自身を除く): 398288268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 431, 862, 1293, 1724, 1933, 2586, 3017, 3866, 3879, 5172, 5799, 6034, 7732, 7758, 9051, 11598, 12068, 13531, 15516, 17397, 18102, 23196, 27062, 27153, 34794, 36204, 40593, 54124, 54306, 69588, 81186, 108612, 121779, 162372, 243558, 487116, 833123, 1666246, 2499369, 3332492, 4998738, 5831861, 7498107, 9997476, 11663722, 14996214, 17495583, 23327444, 29992428, 34991166, 52486749, 69982332, 104973498, 209946996]

約数ペア:

[(1, 209946996), (2, 104973498), (3, 69982332), (4, 52486749), (6, 34991166), (7, 29992428), (9, 23327444), (12, 17495583), (14, 14996214), (18, 11663722), (21, 9997476), (28, 7498107), (36, 5831861), (42, 4998738), (63, 3332492), (84, 2499369), (126, 1666246), (252, 833123), (431, 487116), (862, 243558), (1293, 162372), (1724, 121779), (1933, 108612), (2586, 81186), (3017, 69588), (3866, 54306), (3879, 54124), (5172, 40593), (5799, 36204), (6034, 34794), (7732, 27153), (7758, 27062), (9051, 23196), (11598, 18102), (12068, 17397), (13531, 15516)]