208515918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 484876800

約数和(自身を除く): 276360882

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 79, 114, 137, 158, 169, 237, 247, 274, 338, 411, 474, 494, 507, 741, 822, 1014, 1027, 1482, 1501, 1781, 2054, 2603, 3002, 3081, 3211, 3562, 4503, 5206, 5343, 6162, 6422, 7809, 9006, 9633, 10686, 10823, 13351, 15618, 19266, 19513, 21646, 23153, 26702, 32469, 33839, 39026, 40053, 46306, 58539, 64938, 67678, 69459, 80106, 101517, 117078, 138918, 140699, 203034, 205637, 253669, 281398, 411274, 422097, 439907, 507338, 616911, 761007, 844194, 879814, 1233822, 1319721, 1522014, 1829087, 2639442, 2673281, 3658174, 5346562, 5487261, 8019843, 10974522, 16039686, 34752653, 69505306, 104257959, 208515918]

約数ペア:

[(1, 208515918), (2, 104257959), (3, 69505306), (6, 34752653), (13, 16039686), (19, 10974522), (26, 8019843), (38, 5487261), (39, 5346562), (57, 3658174), (78, 2673281), (79, 2639442), (114, 1829087), (137, 1522014), (158, 1319721), (169, 1233822), (237, 879814), (247, 844194), (274, 761007), (338, 616911), (411, 507338), (474, 439907), (494, 422097), (507, 411274), (741, 281398), (822, 253669), (1014, 205637), (1027, 203034), (1482, 140699), (1501, 138918), (1781, 117078), (2054, 101517), (2603, 80106), (3002, 69459), (3081, 67678), (3211, 64938), (3562, 58539), (4503, 46306), (5206, 40053), (5343, 39026), (6162, 33839), (6422, 32469), (7809, 26702), (9006, 23153), (9633, 21646), (10686, 19513), (10823, 19266), (13351, 15618)]