208540206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{23311}}^1$

素因数の和:23397

約数の個数: 48

約数和(自身を含む): 523680768

約数和(自身を除く): 315140562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 4473, 8946, 23311, 46622, 69933, 139866, 163177, 209799, 326354, 419598, 489531, 979062, 1468593, 1655081, 2937186, 3310162, 4965243, 9930486, 11585567, 14895729, 23171134, 29791458, 34756701, 69513402, 104270103, 208540206]

約数ペア:

[(1, 208540206), (2, 104270103), (3, 69513402), (6, 34756701), (7, 29791458), (9, 23171134), (14, 14895729), (18, 11585567), (21, 9930486), (42, 4965243), (63, 3310162), (71, 2937186), (126, 1655081), (142, 1468593), (213, 979062), (426, 489531), (497, 419598), (639, 326354), (994, 209799), (1278, 163177), (1491, 139866), (2982, 69933), (4473, 46622), (8946, 23311)]