647094

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 1575936

約数和(自身を除く): 928842

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 71, 93, 98, 142, 147, 186, 213, 217, 294, 426, 434, 497, 651, 994, 1302, 1491, 1519, 2201, 2982, 3038, 3479, 4402, 4557, 6603, 6958, 9114, 10437, 13206, 15407, 20874, 30814, 46221, 92442, 107849, 215698, 323547, 647094]

約数ペア:

[(1, 647094), (2, 323547), (3, 215698), (6, 107849), (7, 92442), (14, 46221), (21, 30814), (31, 20874), (42, 15407), (49, 13206), (62, 10437), (71, 9114), (93, 6958), (98, 6603), (142, 4557), (147, 4402), (186, 3479), (213, 3038), (217, 2982), (294, 2201), (426, 1519), (434, 1491), (497, 1302), (651, 994)]