27881648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 56663040

約数和(自身を除く): 28781392

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 839, 1072, 1678, 2077, 3356, 4154, 6712, 8308, 13424, 16616, 26009, 33232, 52018, 56213, 104036, 112426, 208072, 224852, 416144, 449704, 899408, 1742603, 3485206, 6970412, 13940824, 27881648]

約数ペア:

[(1, 27881648), (2, 13940824), (4, 6970412), (8, 3485206), (16, 1742603), (31, 899408), (62, 449704), (67, 416144), (124, 224852), (134, 208072), (248, 112426), (268, 104036), (496, 56213), (536, 52018), (839, 33232), (1072, 26009), (1678, 16616), (2077, 13424), (3356, 8308), (4154, 6712)]