13220648

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{769}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 28459200

約数和(自身を除く): 15238552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 769, 1228, 1538, 2149, 2456, 3076, 4298, 5383, 6152, 8596, 10766, 17192, 21532, 43064, 236083, 472166, 944332, 1652581, 1888664, 3305162, 6610324, 13220648]

約数ペア:

[(1, 13220648), (2, 6610324), (4, 3305162), (7, 1888664), (8, 1652581), (14, 944332), (28, 472166), (56, 236083), (307, 43064), (614, 21532), (769, 17192), (1228, 10766), (1538, 8596), (2149, 6152), (2456, 5383), (3076, 4298)]