206984988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1871}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 599639040

約数和(自身を除く): 392654052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 439, 878, 1317, 1756, 1871, 2634, 3073, 3742, 3951, 5268, 5613, 6146, 7484, 7902, 9219, 11226, 12292, 13097, 15804, 16839, 18438, 22452, 26194, 27657, 33678, 36876, 39291, 52388, 55314, 67356, 78582, 110628, 117873, 157164, 235746, 471492, 821369, 1642738, 2464107, 3285476, 4928214, 5749583, 7392321, 9856428, 11499166, 14784642, 17248749, 22998332, 29569284, 34497498, 51746247, 68994996, 103492494, 206984988]

約数ペア:

[(1, 206984988), (2, 103492494), (3, 68994996), (4, 51746247), (6, 34497498), (7, 29569284), (9, 22998332), (12, 17248749), (14, 14784642), (18, 11499166), (21, 9856428), (28, 7392321), (36, 5749583), (42, 4928214), (63, 3285476), (84, 2464107), (126, 1642738), (252, 821369), (439, 471492), (878, 235746), (1317, 157164), (1756, 117873), (1871, 110628), (2634, 78582), (3073, 67356), (3742, 55314), (3951, 52388), (5268, 39291), (5613, 36876), (6146, 33678), (7484, 27657), (7902, 26194), (9219, 22452), (11226, 18438), (12292, 16839), (13097, 15804)]