81930128

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38501}}^1$

素因数の和:38535

約数の個数: 40

約数和(自身を含む): 190969920

約数和(自身を除く): 109039792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38501, 77002, 154004, 269507, 308008, 539014, 616016, 731519, 1078028, 1463038, 2156056, 2926076, 4312112, 5120633, 5852152, 10241266, 11704304, 20482532, 40965064, 81930128]

約数ペア:

[(1, 81930128), (2, 40965064), (4, 20482532), (7, 11704304), (8, 10241266), (14, 5852152), (16, 5120633), (19, 4312112), (28, 2926076), (38, 2156056), (56, 1463038), (76, 1078028), (112, 731519), (133, 616016), (152, 539014), (266, 308008), (304, 269507), (532, 154004), (1064, 77002), (2128, 38501)]