211231394

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 364041216

約数和(自身を除く): 152809822

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 121, 242, 383, 473, 583, 766, 946, 1166, 2279, 4213, 4558, 5203, 6413, 8426, 10406, 12826, 16469, 20299, 25069, 32938, 40598, 46343, 50138, 92686, 181159, 223289, 275759, 362318, 446578, 551518, 872857, 1745714, 1992749, 2456179, 3985498, 4912358, 9601427, 19202854, 105615697, 211231394]

約数ペア:

[(1, 211231394), (2, 105615697), (11, 19202854), (22, 9601427), (43, 4912358), (53, 3985498), (86, 2456179), (106, 1992749), (121, 1745714), (242, 872857), (383, 551518), (473, 446578), (583, 362318), (766, 275759), (946, 223289), (1166, 181159), (2279, 92686), (4213, 50138), (4558, 46343), (5203, 40598), (6413, 32938), (8426, 25069), (10406, 20299), (12826, 16469)]