217810908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45491}}^1$

素因数の和:45527

約数の個数: 72

約数和(自身を含む): 662363520

約数和(自身を除く): 444552612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 45491, 90982, 136473, 181964, 272946, 318437, 409419, 545892, 636874, 818838, 864329, 955311, 1273748, 1637676, 1728658, 1910622, 2592987, 2865933, 3457316, 3821244, 5185974, 5731866, 6050303, 7778961, 10371948, 11463732, 12100606, 15557922, 18150909, 24201212, 31115844, 36301818, 54452727, 72603636, 108905454, 217810908]

約数ペア:

[(1, 217810908), (2, 108905454), (3, 72603636), (4, 54452727), (6, 36301818), (7, 31115844), (9, 24201212), (12, 18150909), (14, 15557922), (18, 12100606), (19, 11463732), (21, 10371948), (28, 7778961), (36, 6050303), (38, 5731866), (42, 5185974), (57, 3821244), (63, 3457316), (76, 2865933), (84, 2592987), (114, 1910622), (126, 1728658), (133, 1637676), (171, 1273748), (228, 955311), (252, 864329), (266, 818838), (342, 636874), (399, 545892), (532, 409419), (684, 318437), (798, 272946), (1197, 181964), (1596, 136473), (2394, 90982), (4788, 45491)]