1330785328

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{26497}}^1$

素因数の和:26621

約数の個数: 40

約数和(自身を含む): 2674602128

約数和(自身を除く): 1343816800

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 146, 172, 292, 344, 584, 688, 1168, 3139, 6278, 12556, 25112, 26497, 50224, 52994, 105988, 211976, 423952, 1139371, 1934281, 2278742, 3868562, 4557484, 7737124, 9114968, 15474248, 18229936, 30948496, 83174083, 166348166, 332696332, 665392664, 1330785328]

約数ペア:

[(1, 1330785328), (2, 665392664), (4, 332696332), (8, 166348166), (16, 83174083), (43, 30948496), (73, 18229936), (86, 15474248), (146, 9114968), (172, 7737124), (292, 4557484), (344, 3868562), (584, 2278742), (688, 1934281), (1168, 1139371), (3139, 423952), (6278, 211976), (12556, 105988), (25112, 52994), (26497, 50224)]