28851328

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 64823040

約数和(自身を除く): 35971712

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 661, 682, 704, 992, 1322, 1364, 1408, 1984, 2644, 2728, 3968, 5288, 5456, 7271, 10576, 10912, 14542, 20491, 21152, 21824, 29084, 40982, 42304, 43648, 58168, 81964, 84608, 116336, 163928, 225401, 232672, 327856, 450802, 465344, 655712, 901604, 930688, 1311424, 1803208, 2622848, 3606416, 7212832, 14425664, 28851328]

約数ペア:

[(1, 28851328), (2, 14425664), (4, 7212832), (8, 3606416), (11, 2622848), (16, 1803208), (22, 1311424), (31, 930688), (32, 901604), (44, 655712), (62, 465344), (64, 450802), (88, 327856), (124, 232672), (128, 225401), (176, 163928), (248, 116336), (341, 84608), (352, 81964), (496, 58168), (661, 43648), (682, 42304), (704, 40982), (992, 29084), (1322, 21824), (1364, 21152), (1408, 20491), (1984, 14542), (2644, 10912), (2728, 10576), (3968, 7271), (5288, 5456)]