221486512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1481}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 463095360

約数和(自身を除く): 241608848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 719, 1438, 1481, 2876, 2962, 5752, 5924, 9347, 11504, 11848, 18694, 19253, 23696, 37388, 38506, 74776, 77012, 149552, 154024, 308048, 1064839, 2129678, 4259356, 8518712, 13842907, 17037424, 27685814, 55371628, 110743256, 221486512]

約数ペア:

[(1, 221486512), (2, 110743256), (4, 55371628), (8, 27685814), (13, 17037424), (16, 13842907), (26, 8518712), (52, 4259356), (104, 2129678), (208, 1064839), (719, 308048), (1438, 154024), (1481, 149552), (2876, 77012), (2962, 74776), (5752, 38506), (5924, 37388), (9347, 23696), (11504, 19253), (11848, 18694)]