1781800144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{53617}}^1$

素因数の和:53723

約数の個数: 40

約数和(自身を含む): 3616855808

約数和(自身を除く): 1835055664

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 4154, 8308, 16616, 33232, 53617, 107234, 214468, 428936, 857872, 1662127, 3324254, 3592339, 6648508, 7184678, 13297016, 14369356, 26594032, 28738712, 57477424, 111362509, 222725018, 445450036, 890900072, 1781800144]

約数ペア:

[(1, 1781800144), (2, 890900072), (4, 445450036), (8, 222725018), (16, 111362509), (31, 57477424), (62, 28738712), (67, 26594032), (124, 14369356), (134, 13297016), (248, 7184678), (268, 6648508), (496, 3592339), (536, 3324254), (1072, 1662127), (2077, 857872), (4154, 428936), (8308, 214468), (16616, 107234), (33232, 53617)]