1291555678

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1\times {\mathrm{1993}}^1$

素因数の和:3172

約数の個数: 32

約数和(自身を含む): 2271245760

約数和(自身を除く): 979690082

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 1129, 1993, 2258, 3986, 7903, 13951, 15806, 27902, 46289, 81713, 92578, 163426, 324023, 571991, 648046, 1143982, 2250097, 4500194, 15750679, 31501358, 92253977, 184507954, 645777839, 1291555678]

約数ペア:

[(1, 1291555678), (2, 645777839), (7, 184507954), (14, 92253977), (41, 31501358), (82, 15750679), (287, 4500194), (574, 2250097), (1129, 1143982), (1993, 648046), (2258, 571991), (3986, 324023), (7903, 163426), (13951, 92578), (15806, 81713), (27902, 46289)]