642068786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{359501}}^1$

素因数の和:359569

約数の個数: 16

約数和(自身を含む): 1035365760

約数和(自身を除く): 393296974

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 359501, 719002, 6830519, 13661038, 16896547, 33793094, 321034393, 642068786]

約数ペア:

[(1, 642068786), (2, 321034393), (19, 33793094), (38, 16896547), (47, 13661038), (94, 6830519), (893, 719002), (1786, 359501)]