81139728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{88969}}^1$

素因数の和:88999

約数の個数: 40

約数和(自身を含む): 220645600

約数和(自身を除く): 139505872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 88969, 177938, 266907, 355876, 533814, 711752, 1067628, 1423504, 1690411, 2135256, 3380822, 4270512, 5071233, 6761644, 10142466, 13523288, 20284932, 27046576, 40569864, 81139728]

約数ペア:

[(1, 81139728), (2, 40569864), (3, 27046576), (4, 20284932), (6, 13523288), (8, 10142466), (12, 6761644), (16, 5071233), (19, 4270512), (24, 3380822), (38, 2135256), (48, 1690411), (57, 1423504), (76, 1067628), (114, 711752), (152, 533814), (228, 355876), (304, 266907), (456, 177938), (912, 88969)]