397677816

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{25931}}^1$

素因数の和:26017

約数の個数: 64

約数和(自身を含む): 1120262400

約数和(自身を除く): 722584584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 15336, 25931, 51862, 77793, 103724, 155586, 207448, 233379, 311172, 466758, 622344, 700137, 933516, 1400274, 1841101, 1867032, 2800548, 3682202, 5523303, 5601096, 7364404, 11046606, 14728808, 16569909, 22093212, 33139818, 44186424, 49709727, 66279636, 99419454, 132559272, 198838908, 397677816]

約数ペア:

[(1, 397677816), (2, 198838908), (3, 132559272), (4, 99419454), (6, 66279636), (8, 49709727), (9, 44186424), (12, 33139818), (18, 22093212), (24, 16569909), (27, 14728808), (36, 11046606), (54, 7364404), (71, 5601096), (72, 5523303), (108, 3682202), (142, 2800548), (213, 1867032), (216, 1841101), (284, 1400274), (426, 933516), (568, 700137), (639, 622344), (852, 466758), (1278, 311172), (1704, 233379), (1917, 207448), (2556, 155586), (3834, 103724), (5112, 77793), (7668, 51862), (15336, 25931)]