239867874

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19979}}^1$

素因数の和:20039

約数の個数: 48

約数和(自身を含む): 561038400

約数和(自身を除く): 321170526

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 138, 174, 207, 261, 414, 522, 667, 1334, 2001, 4002, 6003, 12006, 19979, 39958, 59937, 119874, 179811, 359622, 459517, 579391, 919034, 1158782, 1378551, 1738173, 2757102, 3476346, 4135653, 5214519, 8271306, 10429038, 13325993, 26651986, 39977979, 79955958, 119933937, 239867874]

約数ペア:

[(1, 239867874), (2, 119933937), (3, 79955958), (6, 39977979), (9, 26651986), (18, 13325993), (23, 10429038), (29, 8271306), (46, 5214519), (58, 4135653), (69, 3476346), (87, 2757102), (138, 1738173), (174, 1378551), (207, 1158782), (261, 919034), (414, 579391), (522, 459517), (667, 359622), (1334, 179811), (2001, 119874), (4002, 59937), (6003, 39958), (12006, 19979)]