641664

素因数分解:

$2^7\times 3^2\times {\mathrm{557}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 1849770

約数和(自身を除く): 1208106

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 557, 576, 1114, 1152, 1671, 2228, 3342, 4456, 5013, 6684, 8912, 10026, 13368, 17824, 20052, 26736, 35648, 40104, 53472, 71296, 80208, 106944, 160416, 213888, 320832, 641664]

約数ペア:

[(1, 641664), (2, 320832), (3, 213888), (4, 160416), (6, 106944), (8, 80208), (9, 71296), (12, 53472), (16, 40104), (18, 35648), (24, 26736), (32, 20052), (36, 17824), (48, 13368), (64, 10026), (72, 8912), (96, 6684), (128, 5013), (144, 4456), (192, 3342), (288, 2228), (384, 1671), (557, 1152), (576, 1114)]