643892256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{319391}}^1$

素因数の和:319414

約数の個数: 72

約数和(自身を含む): 2092656384

約数和(自身を除く): 1448764128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 319391, 638782, 958173, 1277564, 1916346, 2235737, 2555128, 2874519, 3832692, 4471474, 5110256, 5749038, 6707211, 7665384, 8942948, 10220512, 11498076, 13414422, 15330768, 17885896, 20121633, 22996152, 26828844, 30661536, 35771792, 40243266, 45992304, 53657688, 71543584, 80486532, 91984608, 107315376, 160973064, 214630752, 321946128, 643892256]

約数ペア:

[(1, 643892256), (2, 321946128), (3, 214630752), (4, 160973064), (6, 107315376), (7, 91984608), (8, 80486532), (9, 71543584), (12, 53657688), (14, 45992304), (16, 40243266), (18, 35771792), (21, 30661536), (24, 26828844), (28, 22996152), (32, 20121633), (36, 17885896), (42, 15330768), (48, 13414422), (56, 11498076), (63, 10220512), (72, 8942948), (84, 7665384), (96, 6707211), (112, 5749038), (126, 5110256), (144, 4471474), (168, 3832692), (224, 2874519), (252, 2555128), (288, 2235737), (336, 1916346), (504, 1277564), (672, 958173), (1008, 638782), (2016, 319391)]