689749816

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 1515386880

約数和(自身を除く): 825637064

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 503, 521, 658, 1006, 1042, 1316, 2012, 2084, 2632, 3521, 3647, 4024, 4168, 7042, 7294, 14084, 14588, 23641, 24487, 28168, 29176, 47282, 48974, 94564, 97948, 165487, 171409, 189128, 195896, 262063, 330974, 342818, 524126, 661948, 685636, 1048252, 1323896, 1371272, 1834441, 2096504, 3668882, 7337764, 12316961, 14675528, 24633922, 49267844, 86218727, 98535688, 172437454, 344874908, 689749816]

約数ペア:

[(1, 689749816), (2, 344874908), (4, 172437454), (7, 98535688), (8, 86218727), (14, 49267844), (28, 24633922), (47, 14675528), (56, 12316961), (94, 7337764), (188, 3668882), (329, 2096504), (376, 1834441), (503, 1371272), (521, 1323896), (658, 1048252), (1006, 685636), (1042, 661948), (1316, 524126), (2012, 342818), (2084, 330974), (2632, 262063), (3521, 195896), (3647, 189128), (4024, 171409), (4168, 165487), (7042, 97948), (7294, 94564), (14084, 48974), (14588, 47282), (23641, 29176), (24487, 28168)]