163021428

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 429837408

約数和(自身を除く): 266815980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 387, 477, 516, 636, 774, 954, 1548, 1908, 1987, 2279, 3974, 4558, 5961, 6837, 7948, 9116, 11922, 13674, 17883, 20511, 23844, 27348, 35766, 41022, 71532, 82044, 85441, 105311, 170882, 210622, 256323, 315933, 341764, 421244, 512646, 631866, 768969, 947799, 1025292, 1263732, 1537938, 1895598, 3075876, 3791196, 4528373, 9056746, 13585119, 18113492, 27170238, 40755357, 54340476, 81510714, 163021428]

約数ペア:

[(1, 163021428), (2, 81510714), (3, 54340476), (4, 40755357), (6, 27170238), (9, 18113492), (12, 13585119), (18, 9056746), (36, 4528373), (43, 3791196), (53, 3075876), (86, 1895598), (106, 1537938), (129, 1263732), (159, 1025292), (172, 947799), (212, 768969), (258, 631866), (318, 512646), (387, 421244), (477, 341764), (516, 315933), (636, 256323), (774, 210622), (954, 170882), (1548, 105311), (1908, 85441), (1987, 82044), (2279, 71532), (3974, 41022), (4558, 35766), (5961, 27348), (6837, 23844), (7948, 20511), (9116, 17883), (11922, 13674)]