81043256

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 179071200

約数和(自身を除く): 98027944

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 2212, 2617, 3871, 4424, 5234, 7742, 10468, 15484, 18319, 20936, 30968, 36638, 73276, 128233, 146552, 206743, 256466, 413486, 512932, 826972, 1025864, 1447201, 1653944, 2894402, 5788804, 10130407, 11577608, 20260814, 40521628, 81043256]

約数ペア:

[(1, 81043256), (2, 40521628), (4, 20260814), (7, 11577608), (8, 10130407), (14, 5788804), (28, 2894402), (49, 1653944), (56, 1447201), (79, 1025864), (98, 826972), (158, 512932), (196, 413486), (316, 256466), (392, 206743), (553, 146552), (632, 128233), (1106, 73276), (2212, 36638), (2617, 30968), (3871, 20936), (4424, 18319), (5234, 15484), (7742, 10468)]