6440644

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 13724928

約数和(自身を除く): 7284284

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 73, 92, 137, 146, 161, 274, 292, 322, 511, 548, 644, 959, 1022, 1679, 1918, 2044, 3151, 3358, 3836, 6302, 6716, 10001, 11753, 12604, 20002, 22057, 23506, 40004, 44114, 47012, 70007, 88228, 140014, 230023, 280028, 460046, 920092, 1610161, 3220322, 6440644]

約数ペア:

[(1, 6440644), (2, 3220322), (4, 1610161), (7, 920092), (14, 460046), (23, 280028), (28, 230023), (46, 140014), (73, 88228), (92, 70007), (137, 47012), (146, 44114), (161, 40004), (274, 23506), (292, 22057), (322, 20002), (511, 12604), (548, 11753), (644, 10001), (959, 6716), (1022, 6302), (1679, 3836), (1918, 3358), (2044, 3151)]