68719808

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1885

約数の個数: 56

約数和(自身を含む): 148254720

約数和(自身を除く): 79534912

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1823, 1984, 2356, 3646, 4712, 7292, 9424, 14584, 18848, 29168, 34637, 37696, 56513, 58336, 69274, 113026, 116672, 138548, 226052, 277096, 452104, 554192, 904208, 1073747, 1108384, 1808416, 2147494, 2216768, 3616832, 4294988, 8589976, 17179952, 34359904, 68719808]

約数ペア:

[(1, 68719808), (2, 34359904), (4, 17179952), (8, 8589976), (16, 4294988), (19, 3616832), (31, 2216768), (32, 2147494), (38, 1808416), (62, 1108384), (64, 1073747), (76, 904208), (124, 554192), (152, 452104), (248, 277096), (304, 226052), (496, 138548), (589, 116672), (608, 113026), (992, 69274), (1178, 58336), (1216, 56513), (1823, 37696), (1984, 34637), (2356, 29168), (3646, 18848), (4712, 14584), (7292, 9424)]