28038206

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 21313474

約数列:

[1, 2, 7, 14, 79, 101, 158, 202, 251, 502, 553, 707, 1106, 1414, 1757, 3514, 7979, 15958, 19829, 25351, 39658, 50702, 55853, 111706, 138803, 177457, 277606, 354914, 2002729, 4005458, 14019103, 28038206]

約数ペア:

[(1, 28038206), (2, 14019103), (7, 4005458), (14, 2002729), (79, 354914), (101, 277606), (158, 177457), (202, 138803), (251, 111706), (502, 55853), (553, 50702), (707, 39658), (1106, 25351), (1414, 19829), (1757, 15958), (3514, 7979)]