81018784

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 120161888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 131, 154, 176, 224, 251, 262, 308, 352, 502, 524, 616, 917, 1004, 1048, 1232, 1441, 1757, 1834, 2008, 2096, 2464, 2761, 2882, 3514, 3668, 4016, 4192, 5522, 5764, 7028, 7336, 8032, 10087, 11044, 11528, 14056, 14672, 19327, 20174, 22088, 23056, 28112, 29344, 32881, 38654, 40348, 44176, 46112, 56224, 65762, 77308, 80696, 88352, 131524, 154616, 161392, 230167, 263048, 309232, 322784, 361691, 460334, 526096, 618464, 723382, 920668, 1052192, 1446764, 1841336, 2531837, 2893528, 3682672, 5063674, 5787056, 7365344, 10127348, 11574112, 20254696, 40509392, 81018784]

約数ペア:

[(1, 81018784), (2, 40509392), (4, 20254696), (7, 11574112), (8, 10127348), (11, 7365344), (14, 5787056), (16, 5063674), (22, 3682672), (28, 2893528), (32, 2531837), (44, 1841336), (56, 1446764), (77, 1052192), (88, 920668), (112, 723382), (131, 618464), (154, 526096), (176, 460334), (224, 361691), (251, 322784), (262, 309232), (308, 263048), (352, 230167), (502, 161392), (524, 154616), (616, 131524), (917, 88352), (1004, 80696), (1048, 77308), (1232, 65762), (1441, 56224), (1757, 46112), (1834, 44176), (2008, 40348), (2096, 38654), (2464, 32881), (2761, 29344), (2882, 28112), (3514, 23056), (3668, 22088), (4016, 20174), (4192, 19327), (5522, 14672), (5764, 14056), (7028, 11528), (7336, 11044), (8032, 10087)]