289637216

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 686407680

約数和(自身を除く): 396770464

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 121, 124, 127, 152, 176, 209, 242, 248, 254, 304, 341, 352, 418, 484, 496, 508, 589, 608, 682, 836, 968, 992, 1016, 1178, 1364, 1397, 1672, 1936, 2032, 2299, 2356, 2413, 2728, 2794, 3344, 3751, 3872, 3937, 4064, 4598, 4712, 4826, 5456, 5588, 6479, 6688, 7502, 7874, 9196, 9424, 9652, 10912, 11176, 12958, 15004, 15367, 15748, 18392, 18848, 19304, 22352, 25916, 26543, 30008, 30734, 31496, 36784, 38608, 43307, 44704, 51832, 53086, 60016, 61468, 62992, 71269, 73568, 74803, 77216, 86614, 103664, 106172, 120032, 122936, 125984, 142538, 149606, 173228, 207328, 212344, 245872, 285076, 291973, 299212, 346456, 424688, 476377, 491744, 570152, 583946, 598424, 692912, 822833, 849376, 952754, 1140304, 1167892, 1196848, 1385824, 1645666, 1905508, 2280608, 2335784, 2393696, 3291332, 3811016, 4671568, 6582664, 7622032, 9051163, 9343136, 13165328, 15244064, 18102326, 26330656, 36204652, 72409304, 144818608, 289637216]

約数ペア:

[(1, 289637216), (2, 144818608), (4, 72409304), (8, 36204652), (11, 26330656), (16, 18102326), (19, 15244064), (22, 13165328), (31, 9343136), (32, 9051163), (38, 7622032), (44, 6582664), (62, 4671568), (76, 3811016), (88, 3291332), (121, 2393696), (124, 2335784), (127, 2280608), (152, 1905508), (176, 1645666), (209, 1385824), (242, 1196848), (248, 1167892), (254, 1140304), (304, 952754), (341, 849376), (352, 822833), (418, 692912), (484, 598424), (496, 583946), (508, 570152), (589, 491744), (608, 476377), (682, 424688), (836, 346456), (968, 299212), (992, 291973), (1016, 285076), (1178, 245872), (1364, 212344), (1397, 207328), (1672, 173228), (1936, 149606), (2032, 142538), (2299, 125984), (2356, 122936), (2413, 120032), (2728, 106172), (2794, 103664), (3344, 86614), (3751, 77216), (3872, 74803), (3937, 73568), (4064, 71269), (4598, 62992), (4712, 61468), (4826, 60016), (5456, 53086), (5588, 51832), (6479, 44704), (6688, 43307), (7502, 38608), (7874, 36784), (9196, 31496), (9424, 30734), (9652, 30008), (10912, 26543), (11176, 25916), (12958, 22352), (15004, 19304), (15367, 18848), (15748, 18392)]