28913402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 52924800

約数和(自身を除く): 24011398

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1387, 1489, 2774, 2978, 9709, 10423, 19418, 20846, 28291, 56582, 108697, 198037, 217394, 396074, 760879, 1521758, 2065243, 4130486, 14456701, 28913402]

約数ペア:

[(1, 28913402), (2, 14456701), (7, 4130486), (14, 2065243), (19, 1521758), (38, 760879), (73, 396074), (133, 217394), (146, 198037), (266, 108697), (511, 56582), (1022, 28291), (1387, 20846), (1489, 19418), (2774, 10423), (2978, 9709)]