86972431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 110638080

約数和(自身を除く): 23665649

約数列:

[1, 7, 13, 59, 91, 97, 167, 413, 679, 767, 1169, 1261, 2171, 5369, 5723, 8827, 9853, 15197, 16199, 40061, 68971, 74399, 113393, 128089, 210587, 520793, 896623, 955741, 1474109, 6690187, 12424633, 86972431]

約数ペア:

[(1, 86972431), (7, 12424633), (13, 6690187), (59, 1474109), (91, 955741), (97, 896623), (167, 520793), (413, 210587), (679, 128089), (767, 113393), (1169, 74399), (1261, 68971), (2171, 40061), (5369, 16199), (5723, 15197), (8827, 9853)]