686156930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{40867}}^1$

素因数の和:40970

約数の個数: 32

約数和(自身を含む): 1306468224

約数和(自身を除く): 620311294

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1679, 3358, 8395, 16790, 40867, 81734, 204335, 408670, 939941, 1879882, 2983291, 4699705, 5966582, 9399410, 14916455, 29832910, 68615693, 137231386, 343078465, 686156930]

約数ペア:

[(1, 686156930), (2, 343078465), (5, 137231386), (10, 68615693), (23, 29832910), (46, 14916455), (73, 9399410), (115, 5966582), (146, 4699705), (230, 2983291), (365, 1879882), (730, 939941), (1679, 408670), (3358, 204335), (8395, 81734), (16790, 40867)]