389489152

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 845570880

約数和(自身を除く): 456081728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 163, 208, 256, 326, 359, 416, 512, 652, 718, 832, 1304, 1436, 1664, 2119, 2608, 2872, 3328, 4238, 4667, 5216, 5744, 6656, 8476, 9334, 10432, 11488, 16952, 18668, 20864, 22976, 33904, 37336, 41728, 45952, 58517, 67808, 74672, 83456, 91904, 117034, 135616, 149344, 183808, 234068, 271232, 298688, 468136, 542464, 597376, 760721, 936272, 1084928, 1194752, 1521442, 1872544, 2389504, 3042884, 3745088, 6085768, 7490176, 12171536, 14980352, 24343072, 29960704, 48686144, 97372288, 194744576, 389489152]

約数ペア:

[(1, 389489152), (2, 194744576), (4, 97372288), (8, 48686144), (13, 29960704), (16, 24343072), (26, 14980352), (32, 12171536), (52, 7490176), (64, 6085768), (104, 3745088), (128, 3042884), (163, 2389504), (208, 1872544), (256, 1521442), (326, 1194752), (359, 1084928), (416, 936272), (512, 760721), (652, 597376), (718, 542464), (832, 468136), (1304, 298688), (1436, 271232), (1664, 234068), (2119, 183808), (2608, 149344), (2872, 135616), (3328, 117034), (4238, 91904), (4667, 83456), (5216, 74672), (5744, 67808), (6656, 58517), (8476, 45952), (9334, 41728), (10432, 37336), (11488, 33904), (16952, 22976), (18668, 20864)]