161522816

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 405552000

約数和(自身を除く): 244029184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 283, 343, 364, 392, 416, 448, 566, 637, 686, 728, 784, 832, 896, 1132, 1274, 1372, 1456, 1568, 1664, 1981, 2264, 2548, 2744, 2912, 3136, 3679, 3962, 4459, 4528, 5096, 5488, 5824, 6272, 7358, 7924, 8918, 9056, 10192, 10976, 11648, 13867, 14716, 15848, 17836, 18112, 20384, 21952, 25753, 27734, 29432, 31696, 35672, 36224, 40768, 43904, 51506, 55468, 58864, 63392, 71344, 81536, 97069, 103012, 110936, 117728, 126784, 142688, 180271, 194138, 206024, 221872, 235456, 253568, 285376, 360542, 388276, 412048, 443744, 470912, 570752, 721084, 776552, 824096, 887488, 1261897, 1442168, 1553104, 1648192, 1774976, 2523794, 2884336, 3106208, 3296384, 5047588, 5768672, 6212416, 10095176, 11537344, 12424832, 20190352, 23074688, 40380704, 80761408, 161522816]

約数ペア:

[(1, 161522816), (2, 80761408), (4, 40380704), (7, 23074688), (8, 20190352), (13, 12424832), (14, 11537344), (16, 10095176), (26, 6212416), (28, 5768672), (32, 5047588), (49, 3296384), (52, 3106208), (56, 2884336), (64, 2523794), (91, 1774976), (98, 1648192), (104, 1553104), (112, 1442168), (128, 1261897), (182, 887488), (196, 824096), (208, 776552), (224, 721084), (283, 570752), (343, 470912), (364, 443744), (392, 412048), (416, 388276), (448, 360542), (566, 285376), (637, 253568), (686, 235456), (728, 221872), (784, 206024), (832, 194138), (896, 180271), (1132, 142688), (1274, 126784), (1372, 117728), (1456, 110936), (1568, 103012), (1664, 97069), (1981, 81536), (2264, 71344), (2548, 63392), (2744, 58864), (2912, 55468), (3136, 51506), (3679, 43904), (3962, 40768), (4459, 36224), (4528, 35672), (5096, 31696), (5488, 29432), (5824, 27734), (6272, 25753), (7358, 21952), (7924, 20384), (8918, 18112), (9056, 17836), (10192, 15848), (10976, 14716), (11648, 13867)]