3993369331

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 4710809600

約数和(自身を除く): 717440269

約数列:

[1, 7, 61, 127, 211, 349, 427, 889, 1477, 2443, 7747, 12871, 21289, 26797, 44323, 54229, 73639, 90097, 149023, 187579, 310261, 515473, 1634617, 2703703, 4491979, 9352153, 11442319, 18925921, 31443853, 65465071, 570481333, 3993369331]

約数ペア:

[(1, 3993369331), (7, 570481333), (61, 65465071), (127, 31443853), (211, 18925921), (349, 11442319), (427, 9352153), (889, 4491979), (1477, 2703703), (2443, 1634617), (7747, 515473), (12871, 310261), (21289, 187579), (26797, 149023), (44323, 90097), (54229, 73639)]