13438156784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1218991}}^1$

素因数の和:1219065

約数の個数: 40

約数和(自身を含む): 28568296512

約数和(自身を除く): 15130139728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 1218991, 2437982, 4875964, 9751928, 15846883, 19503856, 31693766, 63387532, 64606523, 126775064, 129213046, 253550128, 258426092, 516852184, 839884799, 1033704368, 1679769598, 3359539196, 6719078392, 13438156784]

約数ペア:

[(1, 13438156784), (2, 6719078392), (4, 3359539196), (8, 1679769598), (13, 1033704368), (16, 839884799), (26, 516852184), (52, 258426092), (53, 253550128), (104, 129213046), (106, 126775064), (208, 64606523), (212, 63387532), (424, 31693766), (689, 19503856), (848, 15846883), (1378, 9751928), (2756, 4875964), (5512, 2437982), (11024, 1218991)]