163971605

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 233005056

約数和(自身を除く): 69033451

約数列:

[1, 5, 7, 35, 37, 127, 185, 259, 635, 889, 997, 1295, 4445, 4699, 4985, 6979, 23495, 32893, 34895, 36889, 126619, 164465, 184445, 258223, 633095, 886333, 1291115, 4431665, 4684903, 23424515, 32794321, 163971605]

約数ペア:

[(1, 163971605), (5, 32794321), (7, 23424515), (35, 4684903), (37, 4431665), (127, 1291115), (185, 886333), (259, 633095), (635, 258223), (889, 184445), (997, 164465), (1295, 126619), (4445, 36889), (4699, 34895), (4985, 32893), (6979, 23495)]