217639128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2477}}^1$

素因数の和:3016

約数の個数: 64

約数和(自身を含む): 623266560

約数和(自身を除く): 405627432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 523, 1046, 1569, 2092, 2477, 3138, 3661, 4184, 4954, 6276, 7322, 7431, 9908, 10983, 12552, 14644, 14862, 17339, 19816, 21966, 29288, 29724, 34678, 43932, 52017, 59448, 69356, 87864, 104034, 138712, 208068, 416136, 1295471, 2590942, 3886413, 5181884, 7772826, 9068297, 10363768, 15545652, 18136594, 27204891, 31091304, 36273188, 54409782, 72546376, 108819564, 217639128]

約数ペア:

[(1, 217639128), (2, 108819564), (3, 72546376), (4, 54409782), (6, 36273188), (7, 31091304), (8, 27204891), (12, 18136594), (14, 15545652), (21, 10363768), (24, 9068297), (28, 7772826), (42, 5181884), (56, 3886413), (84, 2590942), (168, 1295471), (523, 416136), (1046, 208068), (1569, 138712), (2092, 104034), (2477, 87864), (3138, 69356), (3661, 59448), (4184, 52017), (4954, 43932), (6276, 34678), (7322, 29724), (7431, 29288), (9908, 21966), (10983, 19816), (12552, 17339), (14644, 14862)]