339937654

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{19919}}^1$

素因数の和:20004

約数の個数: 32

約数和(自身を含む): 619591680

約数和(自身を除く): 279654026

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 8533, 17066, 19919, 39838, 139433, 278866, 458137, 916274, 1055707, 2111414, 3206959, 6413918, 7389949, 14779898, 24281261, 48562522, 169968827, 339937654]

約数ペア:

[(1, 339937654), (2, 169968827), (7, 48562522), (14, 24281261), (23, 14779898), (46, 7389949), (53, 6413918), (106, 3206959), (161, 2111414), (322, 1055707), (371, 916274), (742, 458137), (1219, 278866), (2438, 139433), (8533, 39838), (17066, 19919)]