1298944

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 40

約数和(自身を含む): 2700720

約数和(自身を除く): 1401776

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 118, 128, 172, 236, 256, 344, 472, 512, 688, 944, 1376, 1888, 2537, 2752, 3776, 5074, 5504, 7552, 10148, 11008, 15104, 20296, 22016, 30208, 40592, 81184, 162368, 324736, 649472, 1298944]

約数ペア:

[(1, 1298944), (2, 649472), (4, 324736), (8, 162368), (16, 81184), (32, 40592), (43, 30208), (59, 22016), (64, 20296), (86, 15104), (118, 11008), (128, 10148), (172, 7552), (236, 5504), (256, 5074), (344, 3776), (472, 2752), (512, 2537), (688, 1888), (944, 1376)]