71001428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{811}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 127548960

約数和(自身を除く): 56547532

約数列:

[1, 2, 4, 43, 86, 172, 509, 811, 1018, 1622, 2036, 3244, 21887, 34873, 43774, 69746, 87548, 139492, 412799, 825598, 1651196, 17750357, 35500714, 71001428]

約数ペア:

[(1, 71001428), (2, 35500714), (4, 17750357), (43, 1651196), (86, 825598), (172, 412799), (509, 139492), (811, 87548), (1018, 69746), (1622, 43774), (2036, 34873), (3244, 21887)]