20161331281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{220013}}^1$

素因数の和:220105

約数の個数: 32

約数和(自身を含む): 26612893440

約数和(自身を除く): 6451562159

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 689, 1007, 1729, 4823, 7049, 13091, 91637, 220013, 1540091, 2860169, 4180247, 11660689, 20021183, 29261729, 54343211, 81624823, 151588957, 221553091, 380402477, 1061122699, 1550871637, 2880190183, 20161331281]

約数ペア:

[(1, 20161331281), (7, 2880190183), (13, 1550871637), (19, 1061122699), (53, 380402477), (91, 221553091), (133, 151588957), (247, 81624823), (371, 54343211), (689, 29261729), (1007, 20021183), (1729, 11660689), (4823, 4180247), (7049, 2860169), (13091, 1540091), (91637, 220013)]