208580108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 407151360

約数和(自身を除く): 198571252

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 179, 284, 358, 373, 716, 746, 781, 1492, 1562, 1969, 3124, 3938, 4103, 7876, 8206, 12709, 16412, 25418, 26483, 50836, 52966, 66767, 105932, 133534, 139799, 267068, 279598, 291313, 559196, 582626, 734437, 1165252, 1468874, 2937748, 4740457, 9480914, 18961828, 52145027, 104290054, 208580108]

約数ペア:

[(1, 208580108), (2, 104290054), (4, 52145027), (11, 18961828), (22, 9480914), (44, 4740457), (71, 2937748), (142, 1468874), (179, 1165252), (284, 734437), (358, 582626), (373, 559196), (716, 291313), (746, 279598), (781, 267068), (1492, 139799), (1562, 133534), (1969, 105932), (3124, 66767), (3938, 52966), (4103, 50836), (7876, 26483), (8206, 25418), (12709, 16412)]