917999621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 1236738048

約数和(自身を除く): 318738427

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 529, 713, 727, 1771, 2387, 3703, 4991, 5089, 5819, 7843, 7997, 16399, 16721, 22537, 40733, 54901, 55979, 114793, 117047, 157759, 180389, 183931, 247907, 384583, 518351, 1262723, 1287517, 1735349, 2692081, 3628457, 4230413, 5701861, 11922073, 29612891, 39913027, 83454511, 131142803, 917999621]

約数ペア:

[(1, 917999621), (7, 131142803), (11, 83454511), (23, 39913027), (31, 29612891), (77, 11922073), (161, 5701861), (217, 4230413), (253, 3628457), (341, 2692081), (529, 1735349), (713, 1287517), (727, 1262723), (1771, 518351), (2387, 384583), (3703, 247907), (4991, 183931), (5089, 180389), (5819, 157759), (7843, 117047), (7997, 114793), (16399, 55979), (16721, 54901), (22537, 40733)]