1259969408

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{138641}}^1$

素因数の和:138726

約数の個数: 32

約数和(自身を含む): 2545467120

約数和(自身を除く): 1285497712

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 9088, 138641, 277282, 554564, 1109128, 2218256, 4436512, 8873024, 9843511, 17746048, 19687022, 39374044, 78748088, 157496176, 314992352, 629984704, 1259969408]

約数ペア:

[(1, 1259969408), (2, 629984704), (4, 314992352), (8, 157496176), (16, 78748088), (32, 39374044), (64, 19687022), (71, 17746048), (128, 9843511), (142, 8873024), (284, 4436512), (568, 2218256), (1136, 1109128), (2272, 554564), (4544, 277282), (9088, 138641)]