209418076

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10639}}^1$

素因数の和:10706

約数の個数: 48

約数和(自身を含む): 452838400

約数和(自身を除く): 243420324

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 10639, 19684, 21278, 42556, 74473, 148946, 202141, 297892, 393643, 404282, 787286, 808564, 1414987, 1574572, 2755501, 2829974, 5511002, 5659948, 7479217, 11022004, 14958434, 29916868, 52354519, 104709038, 209418076]

約数ペア:

[(1, 209418076), (2, 104709038), (4, 52354519), (7, 29916868), (14, 14958434), (19, 11022004), (28, 7479217), (37, 5659948), (38, 5511002), (74, 2829974), (76, 2755501), (133, 1574572), (148, 1414987), (259, 808564), (266, 787286), (518, 404282), (532, 393643), (703, 297892), (1036, 202141), (1406, 148946), (2812, 74473), (4921, 42556), (9842, 21278), (10639, 19684)]