231881738

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 436665600

約数和(自身を除く): 204783862

約数列:

[1, 2, 11, 19, 22, 29, 37, 38, 47, 58, 74, 94, 121, 209, 242, 319, 407, 418, 517, 551, 638, 703, 814, 893, 1034, 1073, 1102, 1363, 1406, 1739, 1786, 2146, 2299, 2726, 3478, 3509, 4477, 4598, 5687, 6061, 7018, 7733, 8954, 9823, 11374, 11803, 12122, 14993, 15466, 19129, 19646, 20387, 23606, 25897, 29986, 33041, 38258, 40774, 50431, 51794, 66082, 66671, 85063, 100862, 108053, 129833, 133342, 164923, 170126, 210419, 216106, 224257, 259666, 284867, 329846, 363451, 420838, 448514, 554741, 569734, 726902, 958189, 1109482, 1916378, 2466827, 3133537, 3997961, 4933654, 6102151, 6267074, 7995922, 10540079, 12204302, 21080158, 115940869, 231881738]

約数ペア:

[(1, 231881738), (2, 115940869), (11, 21080158), (19, 12204302), (22, 10540079), (29, 7995922), (37, 6267074), (38, 6102151), (47, 4933654), (58, 3997961), (74, 3133537), (94, 2466827), (121, 1916378), (209, 1109482), (242, 958189), (319, 726902), (407, 569734), (418, 554741), (517, 448514), (551, 420838), (638, 363451), (703, 329846), (814, 284867), (893, 259666), (1034, 224257), (1073, 216106), (1102, 210419), (1363, 170126), (1406, 164923), (1739, 133342), (1786, 129833), (2146, 108053), (2299, 100862), (2726, 85063), (3478, 66671), (3509, 66082), (4477, 51794), (4598, 50431), (5687, 40774), (6061, 38258), (7018, 33041), (7733, 29986), (8954, 25897), (9823, 23606), (11374, 20387), (11803, 19646), (12122, 19129), (14993, 15466)]