13640816

素因数分解:

$2^4\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 31212288

約数和(自身を除く): 17571472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 127, 137, 196, 254, 274, 392, 508, 548, 784, 889, 959, 1016, 1096, 1778, 1918, 2032, 2192, 3556, 3836, 6223, 6713, 7112, 7672, 12446, 13426, 14224, 15344, 17399, 24892, 26852, 34798, 49784, 53704, 69596, 99568, 107408, 121793, 139192, 243586, 278384, 487172, 852551, 974344, 1705102, 1948688, 3410204, 6820408, 13640816]

約数ペア:

[(1, 13640816), (2, 6820408), (4, 3410204), (7, 1948688), (8, 1705102), (14, 974344), (16, 852551), (28, 487172), (49, 278384), (56, 243586), (98, 139192), (112, 121793), (127, 107408), (137, 99568), (196, 69596), (254, 53704), (274, 49784), (392, 34798), (508, 26852), (548, 24892), (784, 17399), (889, 15344), (959, 14224), (1016, 13426), (1096, 12446), (1778, 7672), (1918, 7112), (2032, 6713), (2192, 6223), (3556, 3836)]