199920238

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{11831}}^1$

素因数の和:11928

約数の個数: 32

約数和(自身を含む): 368022528

約数和(自身を除く): 168102290

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 8449, 11831, 16898, 23662, 82817, 165634, 201127, 402254, 840001, 1407889, 1680002, 2815778, 5880007, 11760014, 14280017, 28560034, 99960119, 199920238]

約数ペア:

[(1, 199920238), (2, 99960119), (7, 28560034), (14, 14280017), (17, 11760014), (34, 5880007), (71, 2815778), (119, 1680002), (142, 1407889), (238, 840001), (497, 402254), (994, 201127), (1207, 165634), (2414, 82817), (8449, 23662), (11831, 16898)]