12381406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 8520482

約数列:

[1, 2, 17, 23, 34, 46, 71, 142, 223, 391, 446, 782, 1207, 1633, 2414, 3266, 3791, 5129, 7582, 10258, 15833, 27761, 31666, 55522, 87193, 174386, 269161, 364159, 538322, 728318, 6190703, 12381406]

約数ペア:

[(1, 12381406), (2, 6190703), (17, 728318), (23, 538322), (34, 364159), (46, 269161), (71, 174386), (142, 87193), (223, 55522), (391, 31666), (446, 27761), (782, 15833), (1207, 10258), (1633, 7582), (2414, 5129), (3266, 3791)]