81971516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 163175040

約数和(自身を除く): 81203524

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 227, 283, 319, 454, 566, 638, 908, 1132, 1276, 2497, 3113, 4994, 6226, 6583, 8207, 9988, 12452, 13166, 16414, 26332, 32828, 64241, 72413, 90277, 128482, 144826, 180554, 256964, 289652, 361108, 706651, 1413302, 1862989, 2826604, 3725978, 7451956, 20492879, 40985758, 81971516]

約数ペア:

[(1, 81971516), (2, 40985758), (4, 20492879), (11, 7451956), (22, 3725978), (29, 2826604), (44, 1862989), (58, 1413302), (116, 706651), (227, 361108), (283, 289652), (319, 256964), (454, 180554), (566, 144826), (638, 128482), (908, 90277), (1132, 72413), (1276, 64241), (2497, 32828), (3113, 26332), (4994, 16414), (6226, 13166), (6583, 12452), (8207, 9988)]