81907964

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{557}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 145459440

約数和(自身を除く): 63551476

約数列:

[1, 2, 4, 97, 194, 379, 388, 557, 758, 1114, 1516, 2228, 36763, 54029, 73526, 108058, 147052, 211103, 216116, 422206, 844412, 20476991, 40953982, 81907964]

約数ペア:

[(1, 81907964), (2, 40953982), (4, 20476991), (97, 844412), (194, 422206), (379, 216116), (388, 211103), (557, 147052), (758, 108058), (1114, 73526), (1516, 54029), (2228, 36763)]