31500976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{563}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 66089520

約数和(自身を除く): 34588544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 269, 538, 563, 1076, 1126, 2152, 2252, 3497, 4304, 4504, 6994, 7319, 9008, 13988, 14638, 27976, 29276, 55952, 58552, 117104, 151447, 302894, 605788, 1211576, 1968811, 2423152, 3937622, 7875244, 15750488, 31500976]

約数ペア:

[(1, 31500976), (2, 15750488), (4, 7875244), (8, 3937622), (13, 2423152), (16, 1968811), (26, 1211576), (52, 605788), (104, 302894), (208, 151447), (269, 117104), (538, 58552), (563, 55952), (1076, 29276), (1126, 27976), (2152, 14638), (2252, 13988), (3497, 9008), (4304, 7319), (4504, 6994)]