72453968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 146428128

約数和(自身を除く): 73974160

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 1987, 2279, 3974, 4558, 7948, 9116, 15896, 18232, 31792, 36464, 85441, 105311, 170882, 210622, 341764, 421244, 683528, 842488, 1367056, 1684976, 4528373, 9056746, 18113492, 36226984, 72453968]

約数ペア:

[(1, 72453968), (2, 36226984), (4, 18113492), (8, 9056746), (16, 4528373), (43, 1684976), (53, 1367056), (86, 842488), (106, 683528), (172, 421244), (212, 341764), (344, 210622), (424, 170882), (688, 105311), (848, 85441), (1987, 36464), (2279, 31792), (3974, 18232), (4558, 15896), (7948, 9116)]