289488978

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:773

約数の個数: 80

約数和(自身を含む): 688189920

約数和(自身を除く): 398700942

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 163, 171, 326, 342, 489, 513, 577, 978, 1026, 1154, 1467, 1539, 1731, 2934, 3078, 3097, 3462, 4401, 5193, 6194, 8802, 9291, 10386, 10963, 13203, 15579, 18582, 21926, 26406, 27873, 31158, 32889, 46737, 55746, 65778, 83619, 93474, 94051, 98667, 167238, 188102, 197334, 250857, 282153, 296001, 501714, 564306, 592002, 846459, 888003, 1692918, 1776006, 1786969, 2539377, 3573938, 5078754, 5360907, 7618131, 10721814, 15236262, 16082721, 32165442, 48248163, 96496326, 144744489, 289488978]

約数ペア:

[(1, 289488978), (2, 144744489), (3, 96496326), (6, 48248163), (9, 32165442), (18, 16082721), (19, 15236262), (27, 10721814), (38, 7618131), (54, 5360907), (57, 5078754), (81, 3573938), (114, 2539377), (162, 1786969), (163, 1776006), (171, 1692918), (326, 888003), (342, 846459), (489, 592002), (513, 564306), (577, 501714), (978, 296001), (1026, 282153), (1154, 250857), (1467, 197334), (1539, 188102), (1731, 167238), (2934, 98667), (3078, 94051), (3097, 93474), (3462, 83619), (4401, 65778), (5193, 55746), (6194, 46737), (8802, 32889), (9291, 31158), (10386, 27873), (10963, 26406), (13203, 21926), (15579, 18582)]