216970178

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 355663872

約数和(自身を除く): 138693694

約数列:

[1, 2, 23, 31, 46, 62, 71, 142, 713, 1426, 1633, 2143, 2201, 3266, 4286, 4402, 49289, 50623, 66433, 98578, 101246, 132866, 152153, 304306, 1527959, 3055918, 3499519, 4716743, 6999038, 9433486, 108485089, 216970178]

約数ペア:

[(1, 216970178), (2, 108485089), (23, 9433486), (31, 6999038), (46, 4716743), (62, 3499519), (71, 3055918), (142, 1527959), (713, 304306), (1426, 152153), (1633, 132866), (2143, 101246), (2201, 98578), (3266, 66433), (4286, 50623), (4402, 49289)]