311289156

素因数分解:

$2^2\times 3^4\times {\mathrm{197}}^1\times {\mathrm{4877}}^1$

素因数の和:5090

約数の個数: 60

約数和(自身を含む): 818069868

約数和(自身を除く): 506780712

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 197, 324, 394, 591, 788, 1182, 1773, 2364, 3546, 4877, 5319, 7092, 9754, 10638, 14631, 15957, 19508, 21276, 29262, 31914, 43893, 58524, 63828, 87786, 131679, 175572, 263358, 395037, 526716, 790074, 960769, 1580148, 1921538, 2882307, 3843076, 5764614, 8646921, 11529228, 17293842, 25940763, 34587684, 51881526, 77822289, 103763052, 155644578, 311289156]

約数ペア:

[(1, 311289156), (2, 155644578), (3, 103763052), (4, 77822289), (6, 51881526), (9, 34587684), (12, 25940763), (18, 17293842), (27, 11529228), (36, 8646921), (54, 5764614), (81, 3843076), (108, 2882307), (162, 1921538), (197, 1580148), (324, 960769), (394, 790074), (591, 526716), (788, 395037), (1182, 263358), (1773, 175572), (2364, 131679), (3546, 87786), (4877, 63828), (5319, 58524), (7092, 43893), (9754, 31914), (10638, 29262), (14631, 21276), (15957, 19508)]