290432499

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 485621760

約数和(自身を除く): 195189261

約数列:

[1, 3, 7, 19, 21, 37, 57, 103, 111, 133, 191, 259, 309, 399, 573, 703, 721, 777, 1337, 1957, 2109, 2163, 3629, 3811, 4011, 4921, 5871, 7067, 10887, 11433, 13699, 14763, 19673, 21201, 25403, 26677, 41097, 49469, 59019, 72409, 76209, 80031, 134273, 137711, 148407, 217227, 373787, 402819, 413133, 506863, 727901, 939911, 1121361, 1520589, 2183703, 2616509, 2819733, 5095307, 7849527, 13830119, 15285921, 41490357, 96810833, 290432499]

約数ペア:

[(1, 290432499), (3, 96810833), (7, 41490357), (19, 15285921), (21, 13830119), (37, 7849527), (57, 5095307), (103, 2819733), (111, 2616509), (133, 2183703), (191, 1520589), (259, 1121361), (309, 939911), (399, 727901), (573, 506863), (703, 413133), (721, 402819), (777, 373787), (1337, 217227), (1957, 148407), (2109, 137711), (2163, 134273), (3629, 80031), (3811, 76209), (4011, 72409), (4921, 59019), (5871, 49469), (7067, 41097), (10887, 26677), (11433, 25403), (13699, 21201), (14763, 19673)]