217908654

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1\times {\mathrm{701}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 441552384

約数和(自身を除く): 223643730

約数列:

[1, 2, 3, 6, 103, 206, 309, 503, 618, 701, 1006, 1402, 1509, 2103, 3018, 4206, 51809, 72203, 103618, 144406, 155427, 216609, 310854, 352603, 433218, 705206, 1057809, 2115618, 36318109, 72636218, 108954327, 217908654]

約数ペア:

[(1, 217908654), (2, 108954327), (3, 72636218), (6, 36318109), (103, 2115618), (206, 1057809), (309, 705206), (503, 433218), (618, 352603), (701, 310854), (1006, 216609), (1402, 155427), (1509, 144406), (2103, 103618), (3018, 72203), (4206, 51809)]