399793394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199697}}^1$

素因数の和:199730

約数の個数: 32

約数和(自身を含む): 805182336

約数和(自身を除く): 405388942

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 199697, 399394, 1397879, 2196667, 2596061, 2795758, 4393334, 5192122, 15376669, 18172427, 28556671, 30753338, 36344854, 57113342, 199896697, 399793394]

約数ペア:

[(1, 399793394), (2, 199896697), (7, 57113342), (11, 36344854), (13, 30753338), (14, 28556671), (22, 18172427), (26, 15376669), (77, 5192122), (91, 4393334), (143, 2795758), (154, 2596061), (182, 2196667), (286, 1397879), (1001, 399394), (2002, 199697)]