1645283072

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{81353}}^1$

素因数の和:81448

約数の個数: 36

約数和(自身を含む): 3325751520

約数和(自身を除く): 1680468448

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1264, 2528, 5056, 10112, 20224, 81353, 162706, 325412, 650824, 1301648, 2603296, 5206592, 6426887, 10413184, 12853774, 20826368, 25707548, 51415096, 102830192, 205660384, 411320768, 822641536, 1645283072]

約数ペア:

[(1, 1645283072), (2, 822641536), (4, 411320768), (8, 205660384), (16, 102830192), (32, 51415096), (64, 25707548), (79, 20826368), (128, 12853774), (158, 10413184), (256, 6426887), (316, 5206592), (632, 2603296), (1264, 1301648), (2528, 650824), (5056, 325412), (10112, 162706), (20224, 81353)]