72790172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 157527552

約数和(自身を除く): 84737380

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 311, 364, 622, 643, 1244, 1286, 2177, 2572, 4043, 4354, 4501, 8086, 8359, 8708, 9002, 16172, 16718, 18004, 28301, 33436, 56602, 58513, 113204, 117026, 199973, 234052, 399946, 799892, 1399811, 2599649, 2799622, 5199298, 5599244, 10398596, 18197543, 36395086, 72790172]

約数ペア:

[(1, 72790172), (2, 36395086), (4, 18197543), (7, 10398596), (13, 5599244), (14, 5199298), (26, 2799622), (28, 2599649), (52, 1399811), (91, 799892), (182, 399946), (311, 234052), (364, 199973), (622, 117026), (643, 113204), (1244, 58513), (1286, 56602), (2177, 33436), (2572, 28301), (4043, 18004), (4354, 16718), (4501, 16172), (8086, 9002), (8359, 8708)]