388558898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1243

約数の個数: 64

約数和(自身を含む): 753285120

約数和(自身を除く): 364726222

約数列:

[1, 2, 7, 13, 14, 26, 31, 61, 62, 91, 122, 182, 217, 403, 427, 434, 793, 806, 854, 1129, 1586, 1891, 2258, 2821, 3782, 5551, 5642, 7903, 11102, 13237, 14677, 15806, 24583, 26474, 29354, 34999, 49166, 68869, 69998, 102739, 137738, 172081, 205478, 244993, 344162, 454987, 482083, 489986, 895297, 909974, 964166, 1790594, 2134939, 3184909, 4269878, 6267079, 6369818, 12534158, 14944573, 27754207, 29889146, 55508414, 194279449, 388558898]

約数ペア:

[(1, 388558898), (2, 194279449), (7, 55508414), (13, 29889146), (14, 27754207), (26, 14944573), (31, 12534158), (61, 6369818), (62, 6267079), (91, 4269878), (122, 3184909), (182, 2134939), (217, 1790594), (403, 964166), (427, 909974), (434, 895297), (793, 489986), (806, 482083), (854, 454987), (1129, 344162), (1586, 244993), (1891, 205478), (2258, 172081), (2821, 137738), (3782, 102739), (5551, 69998), (5642, 68869), (7903, 49166), (11102, 34999), (13237, 29354), (14677, 26474), (15806, 24583)]