211381956

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 545504960

約数和(自身を除く): 334123004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 109, 206, 218, 309, 327, 412, 436, 523, 618, 654, 927, 981, 1046, 1236, 1308, 1569, 1854, 1962, 2092, 3138, 3708, 3924, 4707, 6276, 9414, 11227, 18828, 22454, 33681, 44908, 53869, 57007, 67362, 101043, 107738, 114014, 134724, 161607, 171021, 202086, 215476, 228028, 323214, 342042, 404172, 484821, 513063, 646428, 684084, 969642, 1026126, 1939284, 2052252, 5871721, 11743442, 17615163, 23486884, 35230326, 52845489, 70460652, 105690978, 211381956]

約数ペア:

[(1, 211381956), (2, 105690978), (3, 70460652), (4, 52845489), (6, 35230326), (9, 23486884), (12, 17615163), (18, 11743442), (36, 5871721), (103, 2052252), (109, 1939284), (206, 1026126), (218, 969642), (309, 684084), (327, 646428), (412, 513063), (436, 484821), (523, 404172), (618, 342042), (654, 323214), (927, 228028), (981, 215476), (1046, 202086), (1236, 171021), (1308, 161607), (1569, 134724), (1854, 114014), (1962, 107738), (2092, 101043), (3138, 67362), (3708, 57007), (3924, 53869), (4707, 44908), (6276, 33681), (9414, 22454), (11227, 18828)]