1780708216

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{23059}}^1$

素因数の和:23276

約数の個数: 48

約数和(自身を含む): 3903827400

約数和(自身を除く): 2123119184

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 392, 394, 788, 1379, 1576, 2758, 5516, 9653, 11032, 19306, 23059, 38612, 46118, 77224, 92236, 161413, 184472, 322826, 645652, 1129891, 1291304, 2259782, 4519564, 4542623, 9039128, 9085246, 18170492, 31798361, 36340984, 63596722, 127193444, 222588527, 254386888, 445177054, 890354108, 1780708216]

約数ペア:

[(1, 1780708216), (2, 890354108), (4, 445177054), (7, 254386888), (8, 222588527), (14, 127193444), (28, 63596722), (49, 36340984), (56, 31798361), (98, 18170492), (196, 9085246), (197, 9039128), (392, 4542623), (394, 4519564), (788, 2259782), (1379, 1291304), (1576, 1129891), (2758, 645652), (5516, 322826), (9653, 184472), (11032, 161413), (19306, 92236), (23059, 77224), (38612, 46118)]