66490112

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20008

約数の個数: 36

約数和(自身を含む): 142936920

約数和(自身を除く): 76446808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 19979, 39958, 79916, 159832, 259727, 319664, 519454, 639328, 1038908, 1278656, 2077816, 2557312, 4155632, 5114624, 8311264, 16622528, 33245056, 66490112]

約数ペア:

[(1, 66490112), (2, 33245056), (4, 16622528), (8, 8311264), (13, 5114624), (16, 4155632), (26, 2557312), (32, 2077816), (52, 1278656), (64, 1038908), (104, 639328), (128, 519454), (208, 319664), (256, 259727), (416, 159832), (832, 79916), (1664, 39958), (3328, 19979)]