661560774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{79153}}^1$

素因数の和:79364

約数の個数: 32

約数和(自身を含む): 1519756800

約数和(自身を除く): 858196026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2786, 4179, 8358, 79153, 158306, 237459, 474918, 554071, 1108142, 1662213, 3324426, 15751447, 31502894, 47254341, 94508682, 110260129, 220520258, 330780387, 661560774]

約数ペア:

[(1, 661560774), (2, 330780387), (3, 220520258), (6, 110260129), (7, 94508682), (14, 47254341), (21, 31502894), (42, 15751447), (199, 3324426), (398, 1662213), (597, 1108142), (1194, 554071), (1393, 474918), (2786, 237459), (4179, 158306), (8358, 79153)]