639563689808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{2189207}}^1$

素因数の和:2189296

約数の個数: 60

約数和(自身を含む): 1347807797280

約数和(自身を除く): 708244107472

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 961, 1178, 1922, 2356, 3844, 4712, 7688, 9424, 15376, 18259, 36518, 73036, 146072, 292144, 2189207, 4378414, 8756828, 17513656, 35027312, 41594933, 67865417, 83189866, 135730834, 166379732, 271461668, 332759464, 542923336, 665518928, 1085846672, 1289442923, 2103827927, 2578885846, 4207655854, 5157771692, 8415311708, 10315543384, 16830623416, 20631086768, 33661246832, 39972730613, 79945461226, 159890922452, 319781844904, 639563689808]

約数ペア:

[(1, 639563689808), (2, 319781844904), (4, 159890922452), (8, 79945461226), (16, 39972730613), (19, 33661246832), (31, 20631086768), (38, 16830623416), (62, 10315543384), (76, 8415311708), (124, 5157771692), (152, 4207655854), (248, 2578885846), (304, 2103827927), (496, 1289442923), (589, 1085846672), (961, 665518928), (1178, 542923336), (1922, 332759464), (2356, 271461668), (3844, 166379732), (4712, 135730834), (7688, 83189866), (9424, 67865417), (15376, 41594933), (18259, 35027312), (36518, 17513656), (73036, 8756828), (146072, 4378414), (292144, 2189207)]