178640028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3673}}^1$

素因数の和:3883

約数の個数: 72

約数和(自身を含む): 518886368

約数和(自身を除く): 340246340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 193, 252, 386, 579, 772, 1158, 1351, 1737, 2316, 2702, 3474, 3673, 4053, 5404, 6948, 7346, 8106, 11019, 12159, 14692, 16212, 22038, 24318, 25711, 33057, 44076, 48636, 51422, 66114, 77133, 102844, 132228, 154266, 231399, 308532, 462798, 708889, 925596, 1417778, 2126667, 2835556, 4253334, 4962223, 6380001, 8506668, 9924446, 12760002, 14886669, 19848892, 25520004, 29773338, 44660007, 59546676, 89320014, 178640028]

約数ペア:

[(1, 178640028), (2, 89320014), (3, 59546676), (4, 44660007), (6, 29773338), (7, 25520004), (9, 19848892), (12, 14886669), (14, 12760002), (18, 9924446), (21, 8506668), (28, 6380001), (36, 4962223), (42, 4253334), (63, 2835556), (84, 2126667), (126, 1417778), (193, 925596), (252, 708889), (386, 462798), (579, 308532), (772, 231399), (1158, 154266), (1351, 132228), (1737, 102844), (2316, 77133), (2702, 66114), (3474, 51422), (3673, 48636), (4053, 44076), (5404, 33057), (6948, 25711), (7346, 24318), (8106, 22038), (11019, 16212), (12159, 14692)]